Baryonic dark matter may occur in non-luminous gas or in Massive Astrophysical Compact Halo Objects, and stars. So therefore it’s D.
Answer:
Explanation: Collenchyma cells are elongated cells with unevenly-thickened walls. They provide structural support, mainly to the stem and leaves.
There would be less oxegen and also economically exploit us as 80% of things we use is from trees. we will be ruined, that's for sure.
Answer:
The letters of DNA pair up because they form hydrogen bonds: each contains hydrogen atoms, which are attracted to nitrogen or oxygen atoms in their partner
Explanation: