I think its true because oxygen makes up about one-fifth of the Earth's atmosphere. Nearly 90 percent of the weight of the oceans is due to oxygen. In addition, oxygen is thought to be the third most abundant element in the universe and in the solar system
Answer:
Atp is Adenosine triphosphate an organic compound that provides energy to drive many processes in living cells. The energy is stored in the covalent bonds between phosphates.
•observation
•smell
•touch
•they also look at the plant and see the features or the characteristics
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The nervous system of a crab differs from that of vertebrates (mammals, birds, fish, etc.) in that it has a dorsal ganglion (brain) and a ventral ganglion. ... The ventral ganglion is located beneath the internal organs, between the legs.
