A cell is the building block of an organism, or the smallest unit of life. The creatures inside provide food and energy to us, because we can't make our own energy.
Answer:
D
Explanation:
seismographs detect waves and vibration undergroud
The older the Earth's crust, the denser it is.
Answer:
When a person eats veggies everyday .. that's consumption
Explanation:
Eating snacks and some cookies is consumption
Members is population go shopping is consumption