Chromosomes consist of which of the following?

1- DNA
2-Nucleotides
3-A, C,T, and G

A) 1 and 2 only
B) 1 and 3 only
C) 2 and 3 only
D) 1,2, and 3

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

can i get the brainliest pls

explanation:

hope it mark me as brainlieast.

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.