I think its a and b, but i dont know what kind of rock it is. my guess is a metamorphic or sedimentary.
Helps feed dead things also helps clean up the earth if there was no decomposers earth would look real dirty with dead things around just piling up
Answer:
Some run on electricity, while others, which don't need electrical power, offer more freedom to their users. The Airframe exoskeleton from Levitate Technologies is powered mechanically and does not require electricity. Instead, it uses a patented system of pulleys to support its users' upper bodies.
Explanation:
The correct option is B.
The kingdom protista is made up of living organisms which can not be classified as plant, animal or fungus. They have eukaryotic cells and they are mostly unicellular, although, some of them such as kelp are multi cellular. A group of the organism in the kingdom called dinoflagellates have a pair of flagella of unequal lengths which which they move about in their aquatic habitat.<span />