Answer:
4. B
5. B
Explanation:
4. In science they call water a water molecule, so that is a given
5. Metallic is described as shiny.
Generally the order is for materials of a single molecule
Gasses are the least dense
Liquids are in between
Solids are the most dense
as evident if you pour sand in a cup of water, the least dense air (gas) will float on top, and the most dense sand (solid) will sink to the bottom.
However, there are some exceptions,
example, water
ice happens to less dense than water but it is a solid, the molecules of water happen to structure themselves in a way that makes them take up more space than water molecules following around each other
Answer:
46
Explanation:
a zygote is formed from fertilization where the sperm (23 chromosomes) intersects the ovum (23 chromosomes)
Answer:
Self fertilization is pretty self explanatory. If you're talking about plants then it is the ability to fertilize/reproduce on its own. But for cross fertilization (for a plant), requires a support from another plant (cross pollination), in order to be fertile/reproduce