Answer:
Eratosthenes
Eratosthenes calculated the circumference of the Earth by multiplying the distance between Alexandria and Syene by 50. Round sometime around 500 B.C.
Explanation:
I would say cover the soil. In order for it to be secure and/or washing away, it has to be secured with a cover. You cannot put the soil beneath the ground because it wouldn’t get the nutrients it needs. So the answer would be number one.
Answer:
The most star similar to our sun is Tau Ceti. Out smart your ateacher lol. but i would say ]Capella
Explanation:
The atmospheric layer represented by F is called the ionosphere. It is the upper layer of the earths atmosphere. It is ionized by solar radiation which has an electrical charge. Radio waves can be broadcast all over the world due to the radio waves reaching the ionosphere and reflecting back.
Answer:
C. Carbon dioxide levels would decrease in the atmosphere as the weathering rate increased, acting as a positive feedback
Explanation:
The CO₂ concentration decreases due to large scale weathering process of silicate and carbonate weathering . The weathering of silicate and carbonates affect this way . As CO₂ in the atmosphere decreases the global temperature decreases , resulting in global cooling or ice age. During ice age we will have less precipitation .
