Answer:
it is Basic brooooooo. No B NOT C AND NOT D. oNly A
An example of an ecosystem that benefits people could be the ocean.
The ocean regulates the temperature of the earth, allowing a more comfortable place for people to live.
Hope this helps!
Proteins, like steak.. ribs.. etc
The difference between matter and energy is that energy is produced from matter yet has no mass and is the capacity to do work while matter is the physical "stuff" in the universe. Matter needs energy to move.
Any small molecule that can bind in a specific manner to a larger one.
