Which of the following statements explains genetic variation? Genetic variation arises . A. When organisms need to change to survive in a new environment
B. Through mutation and sexual reproduction
C. From environmental changes that affect organisms
D. From traits acquired during the lifetime of an organism

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

At which location in earth’s interior does the top density continue to increase as thickness decreases?

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils