What causes la nina? a. cooling of water in the atlantic ocean off the coast of south america. b. cooling water off the atlantic coast of the us c. cooling water in the pacific ocean off the coast of south america. d. warm water in the pacific ocean off the coast of south america.

In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.