The four terrestrial planets are known as Mercury, Venus, Earth and Mars, they are all rocky planets composed primarily of silicate rocks and/or metals. They are all the planets closest to the sun in our Solar System. The Gas Giant's or Jovian Planets and <span>are composed mainly of a combination of gases/elements: </span>hydrogen<span>, </span>helium<span>, and </span>water<span> that exist in various </span><span>physical states. These are Jupiter, Saturn, Uranus and Neptune. Behind them is the dwarf planet Pluto (which has recently been re-instated officially as a planet), this is located in the Kuiper Belt.</span>
Answer: C and D
Explanation:
B is talking about cells, so it's not relevant
A has nothing to do with this at all honestly
So C and D are the right answers
Answer:
If mismanaged, renewable resources will become non-renewable.
Explanation:
For example: Groundwater can be over-pumped. If you burn a tree (plant) and don't plant another one.
Answer:
DNA is located in the nucleus, but can also be found in other cell structures called mitochondria. Since the nucleus is so small, the DNA needs to be tightly packaged into bundles known as chromosomes.
Explanation:
