What did the presence of photosynthetic prokaryotes allow

A. more oxygen to enter the atmosphere

B. more water to enter the atmosphere

C. more sunlight to enter the atmosphere

D. more hydrogen to enter the atmosphere

How are hydrogen similar to ironic bonds

Planet with sideways axis?

A subduction zone occurs when an oceanic plate collides and goes beneath a continental Place. why does the oceanic plate subducts and go below the continental plate? A. the oceanic plate thicker B. the oceanic plate is more dense C.

In which part of the plant does most photosynthesis take place

How are distillation our verse osmosis alike

Magnets are created due to the uniform motion of A) electrons. B) iron. C) metal. D) nuclei.

Which disorder is least likely to co occur with bipolar disorder in young oleoile?

How many chromosomes does a child get from each parent?

The common house mouse species, Mus musculus, has the following taxonomic classification: Mus, Muridae, Rodentia, Mammalia, Chordata, Animalia, Eukarya. Which part of the name is the Family? A) Rodentia B) Chordata C) Muridae D) Animalia

What structural difference accounts for the functional differences between starch and cellulose? A) Starch can be digested by animal enzymes, whereas cellulose cannot.