Answer:
Iron
Explanation:
The main role of iron in your body is to help your red blood cells function normally.
Answer and explanation:
The nuclides with the same atomic number, but different mass numbers are isotopes.
So, in this case, each species will have the same atomic number and a different mass number, that will be the same that it is written in the name of the element:
The correct answer would be B for sure
The force of gravity is the force with which massively large objects such as the earth attracts another object towards itself. All objects of the earth exert a gravity that is directed towards the center of the earth. Therefore, the force of gravity of the earth is equal to the mass of the object times acceleration due to gravity.
<span>F = ma </span>
<span>4.9N = m (9.8 m/s^2), note that N (newtons) = kg-m/s^2 </span>
m = 0.5 kg
<span>The mass of the object is 0.5kg.</span>
If the sperm carries a Y chromosome, it will result in a male. During fertilization, gametes from the sperm combine with gametes from the egg to form a zygote. The zygote contains two sets of 23 chromosomes, for the required 46.
