Answer: Option A) 99% of that in the entire atom
Explanation:
An atom consists of three subatomic particles named protons, neutrons and electrons. The protons and neutrons are found in the nucleus of the atom, while the mass of electrons is 1/1840 (negligible).
Thus, the mass of protons and neutrons in the nucleus makes 99% of the entire atom
If it is for Odesseyware the answer is all industrial nations.
Answer:
A
Explanation:
Tilling agitates the topsoil and removes ‘unnecessary’ vegetation so the main crop can grow without competition. Tilling improves soil aeration and drainage for plants to grow well. Nonetheless, it can lead to other consequences such as soil erosion because it loosens the soil and makes it easy to be carried away by wind and water.
Answer:
Identical twins tend to be more similar to each other than fraternal twins do.
Explanation:
The rate mainly effects the size of the crystals in the rock forming
