Answer: Option C.
The number of protons and neurons it's contain.
Explanation:
Mass number of an atom is also called atomic mass of an atom which is some what expressed in Dalton i.e 1/2. The mass number is the total number of protons and neutrons altogether called nucleons in an atomic nucleus.
Answer:
The red balls here refers to the hydrogen and black balls refers to carbon.
Answer:
External factors include physical and chemical signals. Growth factors are proteins that stimulate cell division. – Most mammal cells form a single layer in a culture dish and stop dividing once they touch other cells.
Explanation:
From Google
<span>It has 222 kilocalories. Each gram of protein has 4 kilocalories, and each gram of fat has 10 kilocalories. So
28 x 4 = 112
11 x 10 = 110
Total kilocalories is 112 + 110 equal s 222</span>