Jeff is investigating factors that affect the growth rate of potted bean plants. which of the following experimental variables would not be relevant to his investigation?
a. the type of soil used
b. the amount of light exposure
c. the amount of water given
d. the color of the pot

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

The transport tubes for food coming down the plants are called?