One carbon atom has 4 valence electrons. Hope this helps
Ecological efficiency is the term used to describe how much energy will be passed from lower food pyramid level into the higher level. The amount of energy in primary level will be much higher than tertiary. The difference of level of tertiary(3) with primary(1) would be two level.
Assuming that the ecological efficiency is 10%, then the <span>primary consumer level would be: 50 kcal * 10^(3-1)= 5000 kcal</span>
If the tyre blows out then stop
Answer:
an idea that can't be proven but can explain some phenomena
Explanation:
sorry if I am wrong
C.) Each of the organs is made from individual cells.
All of the organs have different functions.... very different.
Humans can survive without some of our organs, such as a kidney, gall bladder, etc.
And only a certain number of organs can make up the respiratory system.
