I want to say B because they could have the same characteristics but their distance and luminosity could be very different. <span />
Answer:
Sperm motility
Explanation:
Sperm motility is the property of the sperms to move properly through the woman's reproductive system during the process of fecundation. The sperms need to move into the female reproductive tract to fertilize the ovum and thus form the egg cell.
Answer:
B. It is studying the ecosystem.
Explanation:
The dam could burst or, if not properly constructed cause water to spill over the sides and top of the dam. Hope this helps.
Explanation:
A hydrogen bond is a common type of chemical bond in organisms. As the name suggests, this type of bond involves a hydrogen atom. The hydrogen is attracted to a strongly electronegative atom, such as oxygen, fluorine, or nitrogen of a polar covalent bond in the same or another molecule.
This gives water unique properties, such as a relatively high boiling point, high specific heat, cohesion, adhesion and density.