Select all the things that determine the pattern of a stream, river, or lake. valleys
number of people living in the area
plants
types of rocks
mountains
animals
landforms
gradient of the land

cramming before a final is bad because it makes a student's stress level higher. students who embrace cramming to get through a final exam week find themselves struggling to perform consistently, once the brain adjusts to prolonged sleep deprivation.

not sure if this what   you'r looking for would be percent composition

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

b. climate change will cause an increase in biodiversity of all ecosystems.

hope this