HELP QUICK PLEASE! What determines the boundaries of a watershed?

A.
elevation features like hills, mountains, and ridges
B.
placement of cities and urban sprawl
C.
man-made boundaries like drainage ditches and reservoirs
D.
average annual rainfall in the area

What evidence did mendel find that supported his law of independent assortment? a. dominant traits are expressed when there is a dominant allele. b. traits do not affect the inheritance of other traits. c. some traits have three or four different alleles. d. plants and animals can both reproduce sexually.

Astudent conducts an experiment to determine how the amount of water given to a plant affects it growth what is the dependent variable for this experiment

In 1992, hurricane andrew left a wake of destruction through florida. one victim of the storm was a reptile-breeding facility. over 900 burmese pythons were set free, and today thousands of pythons live in florida. these pythons are an invasive species, or a harmful species not native to the region. 1. what impacts do you think the burmese pythons might have on local ecosystems