which of these actions is a reproductive strategy?

1. a lioness teaching her young how to hunt
2. a tiger hunting deer
3. cattle grazing on meadows
4. bats hanging upside down on a trees

Answer:

A catalyst accelerates a chemical reaction in a cell.

Acid mine drainage occurs when surface water infiltrates spoil banks where it reacts with pyrite to create sulfuric acid, contaminating groundwater and surface water supplies.

Acid mine drainage is a major environmental concern associated with mining. It occurs when surface water infiltrates spoil banks where it chemically reacts with minerals, primarily pyrite, to create sulfuric acid. When various forms of mining, including strip-mined coal beds, expose these spoil banks to moisture and oxygen, the process is activated. This leads to contamination of surrounding groundwater and surface water supplies, negatively impacting ecosystems and potentially human health.

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Answer:

_____ phase is the period during the life of a cell between the end of mitosis and the synthesis of more genetic material. G0 phase G1 phase G2 phase S phase

G 1 phase

Water is an inorganic molecule.

Further Explanation:

The organic compounds are the substance that consists of hydrogen and carbon atom. The organic compounds held together through covalent bond. On the other hand, the inorganic compounds are the substance which does not consist hydrogen and carbon atom altogether but exception are there. They held together by hydrogen bonds. These bonds are stronger than dipole interaction and Vander wall forces but on they are week from covalent bonding or ionic bonding.

The major examples of inorganic compounds are salts, metal, hydrochloric acid and water. The exception in the inorganic compound is carbon dioxide which contains carbon but still they are inorganic. The chemical formula of water is [tex]{{\text{H}}_{\text{2}}}{\text{O}}[/tex] , it does not consist any carbon that’s why it is referred as inorganic compound. Water contributes in the normal body weight of an individual. The water plays a significant role in the human body that’s why it is crucial to drink enough water on daily basis.

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Answer Details:

Grade: High School  

Subject: Biology

Topic: Inorganic compound

Keywords

Water, inorganic compound, organic compound, drink, human body, metal, salt, hydrochloric acid, hydrogen, carbon atom, Vander-wall forces, covalent bond.

Final answer:

The presence of sewage increases the biochemical oxygen demand, decreasing dissolved oxygen in water, which is detrimental to aquatic life. As sewage gets decomposed by bacteria, oxygen is consumed at a faster rate than it is replenished, leading to potentially hypoxic conditions for aquatic organisms. Therefore, the correct answer is that none of the provided options accurately describe the relationship between sewage spill and oxygen demand in aquatic environments.

Explanation:

The question pertains to how the presence of sewage affects dissolved oxygen levels in water bodies and the resulting impact on aquatic life. Contrary to the options provided, the correct understanding involves recognizing that as sewage enters a water body, it increases the biochemical oxygen demand (BOD). This is due to bacteria consuming more oxygen to decompose the organic matter present in the sewage.

Consequently, this process decreases the amount of dissolved oxygen available for aquatic organisms, such as fish, which require a certain level of oxygen to survive. Specifically, when the dissolved oxygen levels drop below 4 ppm (parts per million), many species of fish cannot survive because they are unable to obtain the necessary oxygen from the water.

Furthermore, the presence of excessive nutrients from sewage can lead to eutrophication, promoting algae growth which, upon decomposition, further depletes oxygen, potentially leading to hypoxic or anoxic conditions. As you move away from the source of pollution (the sewage spill), the demand for oxygen by decomposers initially falls and then rises again as the concentration of sewage diminishes and the water body is able to re-oxygenate through contact with the atmosphere or through photosynthetic activity in the water.

Thus, both a and b statements are incorrect, making option d the most accurate: none of the above is true. Detailed understanding of the oxygen cycle in aquatic ecosystems illustrates how sewage pollution significantly impacts dissolved oxygen levels and aquatic life.

Answer:

The correct answer is option A, Improved respiratory health of local residents

Explanation:

A coal plant produces lot of harmful gases as waste in to the atmosphere which is very dangerous to all forms of living beings and cause lot many respiratory disease especially in the human beings. But when it will be replaced by a nuclear plant which is a sort  of renewable source of energy, produces energy as a consequence of continuous fission reaction without any harmful by product formation

ALTERNATIVE Answer:

Reduced greenhouse gas emissions

An icon is a symbolic representation of an action to be taken, given in emails or message bars. Icons are metaphorical representations of emotions and feelings which a human is unable to explain in words.

The icon used to represent an attachment is paper clip.

When we click this paper clip icon, it allows us to attach any file including a document or a picture in that particular email. An attachment may also contain a virus, Trojans, worms and other form of malware.

The usual icon to indicate an attachment feature is a paper clip symbol. This is most common in applications like email clients and office suites. It implies that there are more files or documents attached to the main content.

The icon that is usually used to indicate an attachment feature in most applications, particularly email clients and office suites, is a symbol that looks like a paperclip. This paperclip icon has been widely adopted as the universal symbol for attachments. When you see this icon, it usually implies that there are additional files or documents connected to the main content that you can access or download.

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Answer:

estuaries

Coral reefs

Explanation:

Im pretty sure it is leaching.

While chromatid cohesion ensures accurate chromosome segregation in both mitosis and meiosis, the key differences lie in the type of chromosomes involved (sister chromatids in mitosis versus homologous chromosomes in meiosis) and the specific stages and outcomes of the processes.

Chromatid cohesion is a crucial aspect of both mitosis and meiosis, as it ensures that chromosomes are distributed accurately into daughter cells. However, the mechanisms and outcomes of chromatid cohesion differ between these two processes.

In Mitosis:

In Meiosis:

The correct answer is B. Department of Homeland Security

Explanation:

The Department of Homeland Security is in charge of guaranteeing national security and responding to any possible threat including terrorism, cyberattacks and natural disasters. Also, this is the most recent department in the President's cabinet as it was founded in 2002, because only after the attacks that occurred on September 11 of 2001, it became evident it was necessary to have a department that addressed terrorist attacks and similar threats, and in this way avoid other possible attacks. Therefore, the one that is the most recent department is the Department of Homeland Security.

C. Build and use solar power plants.

Coal is a non renewable source of energy, once consumed cannot be recovered. Therefore the quantity of coal is reduced with its continuous usage throughout in the world. On the other hand solar energy is a renewable source of energy and it has to do nothing with the quantity of consumption. So we can say that replacing non renewable sources of energy such as coal with renewable sources of energy that is solar energy can make the coal supply last longer.

C- build and use wind power plants

The answer is;  have extensive root systems

Most grasses have ‘runner’ roots which are stems of the plant that grow horizontally below the soil surface. The buds on the stem are what gro to the leaves that emerge from the soil surface and we see as grass blades. Adventitious roots also grow downwards from this stem. Wildfires are not able to  reach the stem and roots under the soil surface so grass can easily regrow even if the blades are destroyed.  

Answer:

have extensive root systems

Explanation:

The branch of the anterior ramus that contains autonomic neurons of the sympathetic nervous system is called ventral ramus of spinal nerve.

Explanation:

Ventral ramus is a spinal nerve that mostly contains the neurons in nervous system which is a part of the somatic nervous system.

Information is always carried from the brain to different organs. The autonomic neurons without any conscious effort acts systematically. The ventral ramus supply the antero lateral parts of the trunk and the limbs .