Answer: Plants
Explanation: Plants are all ways at the start of the food chain becuase they are the only thig that can make their own food. Herbivores eat the plants to gain energy and carnivores eat the herbivores to gain their energy.
Another term is "K-selected species"
Answer:
Selenium mineral.
Explanation:
Vitamin E deficiency causing by the selenium mineral, not having enough selenium which is needed in our body system, this deficiency can cause many health problems. It is known as a trace mineral which is important for human health.
It may cause premature infants and develop a serious type of anemia, weak muscles and difficulties in walking, impaired coordination, & reflexes. The diagnosis of this deficiency is depends on physical examination, and symptoms.
The mass number is the sum of the number of protons and number of neutrons the atom has.
So, we can write the equation as:
x + 20 = 40
x = 20 neutrons.
Because it took the wrong path and got lost and now its not in our neighbourhood of planets