Answer: Bones cells secrete an extracellular matrix that when combined with minerals becomes rock hard.
Explanation:
Answer:
yes, our outer space has a moon
Answer:
an indicator helps us to see the equivalence point (or end point of the valuation) during a titration experiments by causing the color change.
Explanation:
we will run out of resources an population will decrease
Answer:
B
Explanation:
They altered rocks into soil that was able to support simple plants such as grasses. This is an example of altering the environment around them to make it more habitable for other species.