Which is most likely the first step in a basic food chain? 1. The snake obtain energy by eating the mouse

2. Plants make energy-rich food using sunlight

3. The hawk obtains energy by eating the snake

4. The sun emits energy.

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive