It's the 4 the answer I hope it has served you
Over time, those who cannot live through the temperature differences/have undesirable qualities will die off. Overtime, those with desirable qualities are left and they will continue the population.
Answer:
helps ecosystem
Explanation:
provides oxygen, clear water and air, water treatment and the list goes on
Answer:
10x5x6 in this order=300
Explanation:
10x5 is 50
50x6 is 300 :) hope this helps
