Answer:
The true statement is option D. The two major factors determining the Earth's temperature are the Earth-Sun distance and the concentration of oxygen in the atmosphere.
Explanation:
The distance between the sun and the Earth is one of the factors that determines the temperature of the planet. The energy from the sun travels to the Earth, increasing the temperature.
The other fact that has a role in the Earth's temperature is the concentration of oxygen in the atmosphere. It can increase or decrease the temperature according to the amount of this. Oxigen contributes to the greenhouse effect, which helps to keep the temperature in a range that allows life to happen.
Marine biologists? Divers? they could have multiple names
They give us informations about our ancestors and how did they live and what did they do and than compare it to present way's of life.
Uneven; poor by u.s standards
Answer:
Shale.
Explanation:
It is composed of silt or clay that has been compacted or squeezed together to form a solid rock.
