Answer:
The four major groups of macromolecules found in living things are carbohydrates, lipids, nucleic acids, and proteins. Carbohydrates are compounds made up of carbon, hydrogen, and oxygen atoms, usually in a ratio of 1 : 2 : 1. Living things use carbohydrates as their main source of energy.
Answer:
Its Salt weathering
Explanation:
Salt waethering causes those honeycomb holes.
Permian Extinction: The Permian - Triassic extinction event, colloquially known as the Great Dying or the Great Permian Extinction, occurred about 252 million years ago, forming the boundary between the Permian and Triassic geological periods, as well as the Paleozoic and Mesozoic eras.
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Answer:
Scientific investigation is a quest to find the answer to a question using the scientific method. In turn, the scientific method is a systematic process that involves using measurable observations to formulate, test or modify a hypothesis.
Explanation:
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It would be b because a would-be too easy to catch on fire with a forest fire and c would only increase the fire not decrease it