Chemical bonds hold atoms together to form compounds through the sharing of electrons or the transferring of electrons.
Bio is not my strongest subject, but I am pretty sure that a pyramid of numbers differs from an ecological pyramid because it displays the number of organisms at each trophic level
Answer:
1. denser
2. subduction
3. divergence
4. hot spots
5. earthquakes
6. An underwater hot-spot volcano occasionally erupts, and the lava solidifies into an island. However, the plate that lies above the hot spot continues to move due to slab pull and ridge push, so the stationary volcano will be in a different location when it erupts again. This forms a new island, and the process may continue.
Pairs of elements that have the same number of valence electrons are:
sodium (Na) and potassium (K).
It’s a fluid that helps the brain by protecting it providing nourishment and controlling the waste removal.
Mass = number of moles x molar mass
carbon dioxide: CO2
mass = 0.25 x (12 + 16 + 16)
mass = 0.25 x 44
mass = 11g
