1. The correct answer is 4. Carbon can bond to 4 other atoms, exponentially increasing its ability to make different molecules.
2. The correct answer is 3. An organic compound (or molecule) is any atom (usually hydrogen) that bonds with carbon.
3. The correct answer is the third option (8 electrons). Valence electrons in the outer shell are those can form a chemical bond. When (most) atoms have 8 electrons in their outer shell, they are then considered to have maximum stability.
4. The correct answer is 2. These macromolecules all contain carbon and hydrogen, making them organic compounds.
An earthquake is the perceptible shaking of the surface of the Earth, resulting from the sudden release of energy in the Earth's crust that creates seismic waves.
Answer:
Parasitism
Explanation:
One organism benefits, and one is harmed.
Answer:
In trees, most savanna adaptations are to drought--long tap roots to reach the deep water table, thick bark for resistance to annual fires (thus palms are prominent in many areas), deciduousness to avoid moisture loss during the dry season, and use of the trunk as a water-storage organ (as in baobab).
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