The path of the earth as it orbits the sun can best be described by which of these shapes?

a.
a square

b.
a long oval

c.
a rectangle

d.
a circle

Dna is always read in the whereas rna is read in .

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Are humans interfering with or a part of evolution happening today? find examples of evolution seen in recent history that could be caused by human activity.