With a smaller mass, objects should be denser in order to have an equal landmass.
What is landmass?A landmass is actually defined as the area covered by a solid layer. The phrase is frequently used to describe areas of land enclosed by water, such as a continent or sizable island. A landmass is an identified portion of the continental crust that rises above sea level in the science of geology.
Mars should be denser if it has an equal landmass. But in reality, its landmass is not equal 'cause its density is about 72% of that of earth. Mars is the second-smallest planet in the Solar System and the fourth planet from the Sun. It is just larger than Mercury.
Therefore, with a smaller mass, objects should be denser in order to have an equal land mass.
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compare the life cycles of flower less seed plant and flowering seed plants
The life cycles of gymnosperms and angiosperms include seed germination and development stages; however, angiosperms are unique in their production of flowers and fruit-enclosed seeds, which distinguishes them from gymnosperms with exposed seeds on cones.
The life cycles of both non-flowering seed plants, like gymnosperms, and flowering seed plants, known as angiosperms, are characterized by a sequence of developmental stages from seed germination to the production of new seeds. However, there are fundamental differences between these two groups of plants. In the life cycle of a gymnosperm, seeds are not enclosed within a fruit but are often found on the scales of cones. In contrast, angiosperms produce seeds within a fruit, which develops from the flower.
The flower is the reproductive structure that typically includes petals, stamens, pistils, and is responsible for the sexual reproduction of these plants. Angiosperms are divided into two main groups: monocots and dicots. Basal angiosperms differ from other flowering plants in having traits that are more ancestral or less derived. The life cycle of an angiosperm involves alternating generations, with the sporophyte phase being the dominant generation.
The process of seed development in angiosperms is often characterized by the acronym RRAPP, signifying Reduction of the gametophyte, Retention of the gametophyte within the tissues of the parent plant, Arrested development of the seed until favorable conditions, Provisioning of the embryo with nutritive tissue, and Packaging of the seed with a protective coat.
Summarily, the distinctive flower structure and the protected seed development are key differentiators of angiosperms when compared with gymnosperms. Both life cycles show reduction in the haploid stage and growing complexity over time, but angiosperms have advanced further by incorporating flowers and encased seeds into their reproductive strategy.
Roseanne heated a solution in a beaker as part of a laboratory experiment on energy transfer. After a while, she noticed the liquid solution began to circulate within the beaker. What process involving heat transfer did Roseanne observe inside the beaker?
At the beach, describe where or when you would see wave
fronts. How are wave fronts useful to surfers?
Final answer:
Wave fronts at the beach are observable as waves approach the shore and become nearly parallel due to refraction, which is significant for surfers as it creates larger waves off points and headlands, ideal for surfing.
Explanation:
At the beach, wave fronts are observed especially where ocean waves formed by winds reach the shallower waters near the shore. Due to the phenomenon of wave refraction, as waves travel from deeper to shallower water, their speeds decrease, causing the wave fronts to realign almost parallel to the shoreline. This process is critical for surfers as the refraction of wave fronts concentrates wave energy towards points and headlands, offering larger and more consistent waves suitable for surfing.
Surfers benefit from understanding wave fronts and wave refraction because it helps them identify the best spots for larger waves, particularly off of points and headlands where wave energy is focused. Meanwhile, bays will have calmer waters due to the dispersion of wave energy, making them less ideal for surfing. This knowledge is crucial for surfers when choosing locations to surf, as the geometry of the coastline significantly influences wave characteristics.
All of the following are possible sources of error in a scientific investigation except for
A. Measuring the change in temperature incorrectly
B. Manipulating the wrong variables in the experiment
C. Reviewing previously published studies before the experiment
D. Completing only one trial in the experiment
Your answer would be C my friend
List at least three things that can happen as plate spread apart.
b. Place these events in order by numbering them
find the pressure exerted by a 3000 N crate that has an area of 2m squared
Classify Use periodic table to classify the elements potassium (K) ,Bromine (Br) and argon, (Ar) according to know likely their atoms are to do the following
A-Lose electrons to form positive ions
B-Gain electrons to form negative ions
C-Neither gain or lose electrons
Potassium is likely to lose electrons to form positive ions, Bromine is likely to gain electrons to form negative ions, and Argon is neither likely to gain or lose electrons.
Explanation:Potassium (K) is in Group 1 of the periodic table, which means it has one valence electron. It is highly likely to lose this electron to form a positive ion (K+).
Bromine (Br) is in Group 17, so it has seven valence electrons. It is highly likely to gain one electron to complete its octet and form a negative ion (Br-).
Argon (Ar) is in Group 18, a group of noble gases that have a full octet of valence electrons. These elements are stable and generally do not gain or lose electrons.
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John and Daniel are playing tug-of-war together. John is exerting 10 N of force. Daniel is exerting 12 N of force. What is their net force
an unbalanced force moving everyone in Daniel and Maria's direction
Table salt (NaCl) dissolves in water. What happens when saltwater is made? A) The salt crystals sink to the bottom of the water. B) The salt crystals split into ions. C) The salt crystals float to the top of the water. D) The water molecules split into ions
who participates in sport more? women or men and why?
red fox
sage shrub
fence lizard
grasshopper
If these organisms were arranged in a food pyramid, which organism would have the LEAST amount of total energy available?
A. red fox
B. sage shrub
C. grasshopper
D. fence lizard
Answer:
The answer is A: red fox
Explanation:
what happens when you shuffle your feet across a carpet
All scavengers are consumers but not all consumers are scavengers true or false explain your answer.
suppose you want to build a house on the edge of a hill that overlooks a deep valley. what measures could you take to be sure your home will not have problems due to weathering or erosion
a 6 pack of undershirts cost 13.98. This is 3.96 less than the cost of buyng 6 individual shirts if each undershirt cost the same amount , how much does each undershirt cost when purchased individually.
You exert a force of 15 newtons while you move a rock 2 meters. How much work did you perform?
a) 17 n-m
b) 30 meters
c) 7 1/2 newtons
d) 30 n-m
Explain how the first three steps of scientific inquiry are related.
Answer:
Explanation:
The scientific inquiry is a fact finding inquiry for determining the cause or occurrence of the natural processes, events or phenomena. The three steps of the scientific inquiry are related such a making a background research for the desired topic, observation of the natural process, and making hypothesis based on the observation. These three steps are basic for conducting a research and for finding the facts associated with the research.
what are some non examples of proton
What is one difference between a window, a leaf, and a metal spoon?
Amy has a mass of 30 kg, and she is riding a skateboard traveling 5 m/s. What is her momentum
The momentum of Amy of mass 30 kg travelling at a speed of 5 m/s is 150 Kg m/s²
What is momentum?
Momentum is defined as the product of mass and velocity of a body. Mathematically, we can write vector as -
p = mv
It is a vector quantity. In a three dimensional coordinate, the momentum vector can be resolved as -
[p] = p[x] a[x] + p[y] a[y] + p[z] a[z]
[p] = m {v[x] a[x] + v[y] a[y] + v[z] a[z]}
Given is Amy of mass 30 kg and she is riding a skateboard traveling 5 m/s.
Mass of Amy = [m] = 30 Kg
Velocity of Amy = [v] = 5 m/s
Now, the momentum of Amy will be -
p[A] = mv = 30 x 5 = 150 Kg m/s²
Therefore, the momentum of Amy of mass 30 kg travelling at a speed of 5 m/s is 150 Kg m/s²
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The element oxygen, represented by the symbol O, is classified as
what is friction. what does friction do as an ice skater slide across the ice?
Friction is a force that opposes motion between surfaces in contact. When an ice skater slides across the ice, friction between the skates and the ice slows them down and eventually brings them to a stop.
Explanation:Friction is a force that opposes relative motion between surfaces in contact. When an ice skater slides across the ice, friction between the skates and the ice slows down the skater and eventually brings them to a stop. The ice skates exert a force on the ice, and the ice exerts an equal and opposite force on the skates, creating friction.
A car is traveling at a constant velocity of 60 km/h for 4 hours. Choose the correct statement about the acceleration of the car. A) The acceleration of this car is zero. B) The acceleration of this car is positive. C) The acceleration of this car is negative. D) The acceleration of this car is 15 m s .
a scientist discovers an object in the solar system .she describes it as bigger than an asteroid,smaller than mercury and farther than Neptune from the sun what is it explaine
Answer: Probably the dwarf planet - Pluto
Explanation:
Pluto was once a planet and was demoted to a dwarf planet. It has size smaller than mercury ( 25 times smaller) but larger than asteroid. Pluto has 5 moons. It lies beyond the orbit of Neptune in the Kuiper belt. It was discovered by Clyde Tombaugh in 1930. Pluto revolves around sun in 248 years.
The object discovered by the scientist is most likely to be Pluto.
Which type of bond (ionic, covalent, or metallic) does the phrase "opposite attract" apply to best? Explain.
Which of the following is NOT a developer of an atomic model?
A- Dalton
B- Planck
C- Rutherford
Which BEST describes the difference between speed and velocity?
A) Velocity is instantaneous.
B) Speed is a vector quantity.
C) Speed includes rate of change and direction.
D) Velocity includes rate of change and direction.
Answer : The correct option is, (D) Velocity includes rate of change and direction.
Explanation :
Speed : Speed is defined as the distance traveled by an object with respect to the time taken. It is a scalar quantity that means it tell us about the magnitude of an object not direction.
Velocity : Velocity is defined as the rate of change of position of an object with respect to the time. It is a vector quantity that means it tell us about the magnitude and direction of an object.
The only difference between the speed and the velocity is that the velocity tell us about magnitude and direction but speed tell us about magnitude only.
Hence, the correct option is, (D) Velocity includes rate of change and direction.
Speed is a scalar quantity that only considers the magnitude of movement, while velocity is a vector quantity that includes both the magnitude and direction of movement.
Explanation:D) Velocity includes rate of change and direction.
Speed and velocity are both terms used to describe how fast an object is moving. However, there is a key difference between the two. Speed is a scalar quantity, meaning it only considers the magnitude or size of the movement. Velocity, on the other hand, is a vector quantity. This means it includes both the magnitude and direction of the movement.
For example, if a car is traveling at a speed of 60 miles per hour, that only tells us how fast it is going. However, if we say the car is traveling at a velocity of 60 miles per hour northeast, that tells us both the speed and the direction.
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which of the following accurately shows how to calculate the weight of a 20kg object
20kgx9.8m/s
20kg/mass of the earth
20kg/9.8m/s
20kgxmass of the earth
Answer:
[tex]\Huge \boxed{\mathrm{20\ kg \cdot 9.8\ m/s^2}}[/tex]
Explanation:
[tex]\sf Weight \ (N)= mass \ (kg) \times acceleration \ of \ gravity \ (m/s^2)[/tex]
[tex]W=mg[/tex]
The mass of the object is 20 kg.
The acceleration of gravity is approximately 10 m/s².
[tex]W=20 \times 10[/tex]
[tex]W=200[/tex]
The weight of the object is 200 N.
Can you tell me at least three states of matter that are fluids?
1. A student studying a circuit diagram of a lightbulb, battery, and a switch correctly identifies it as a closer circuit. In this diagram, The lightbulb would be
a. an insulator
b. on
c. disconnected
d. off
2. The force of gravity on an object on the surface of Mars is less than the force of gravity on an identical object on the surface of earth. Which of the following is a example why this is true?
a. Mars has more volume than earth
b. Earth has more volume then mars
c. Mars has less mass than earth
d. Earth has less mass then mars