C. Because ecosystems consist more of animals
Answer:erosion?
Explanation:i think it is that because if there is a erosion ever so slightly at a mountain it would one day fall and create a landslide
No it is not . Explanation fossil fuels are not elements
C. Permafrost
Permafrost is the layer beneath the "active layer". The active layer consists of soil that freezes and thaws every year. However, the requirement for permafrost is that it be frozen for two or more years consecutively. This is why permafrost exists in cold environments such as tundras.
Answer:
Telescope also known as "spyglass"
Explanation:
In 1609, using this early version of the telescope, Galileo became the first person to record observations of the sky made with the help of a telescope. He soon made his first astronomical discovery.
