Answer:
The brick
The brick has the greater mass, therefore has the greater density. The
particles in a brick are more tightly packed together. Density is an
indication of how tightly packed the particles in the substance are
Answer:
<u>Two eggs</u>
Explanation:
Fraternal twins originate from the fertilization of two eggs. Fraternal twins are also termed as dizygotic twins which means "two cells". Every two twins in a set of three are dizygotic or fraternal. The babies arising by this phenomenon are not identical and can be of different sexes. Even the sperm fertilizing the two eggs in this phenomenon are seperate. Fraternal twins even do not share the same placenta, each of the them makes their own placenta.
I could be wrong here but I think factories and animals are 2 ways carbon gets into the air because animals breath out carbon, while factories pollute the air with carbon. If anything I would think plants are responsible for removing it because they give out oxygen.