Hth Water is a polar molecule. Which answer describes why it is polar?

The molecule has an overall charge

The molecule does not have an overall charge

It contains two hydrogen atoms for each oxygen atom

The oxygen pulls the electrons more than the hydrogens

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing