Metabolism
Metabolism is a body function which enables a cell to process and create needed organic compounds that will be used for cell processes like repairing, rejuvenating and energy.
Ecology, genetics and evolution are themes, subdisciplines and subtopics of biology -the study of life.
Answer: A
Explanation: Its three leafs and tear drop shaped.
The pair of alleles would be heterozygous
The two are potassium and rubidium. Why? Na is an alkali metal. As you go down the metals become more reactive.
Calcium has 20 protons. Why? The atomic # is 20 (the one at the top).
It has 20 neutrons. Why? The atomic mass (the number on the bottom) is ~40, ignoring electron mass. 40- 20 protons = 20 neutrons.
It has 20 electrons.
Why? The # of protons and electrons is the same. Ions aren't on the periodic table.
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