You!

which of the following is an example of chemical weathering?

a. a stream rounds and smoothes rocks into pebbles.

b. freezing and thawing rainwater widens a crack in a sidewalk.

c. a growing tree root splits a boulder in two.

d. acid rain discolors and disfigures a limestone statue.

Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot.active transport involves transport proteins, and facilitated diffusion does not.facilitated diffusion involves transport proteins, and active transport does not.active transport requires the expenditure of cellular energy, and facilitated diffusion does not.

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

The punnett square predicts the ratio of genotypes in the offspring, based on the genotypes of the parents. in this cross, tallness (h) is dominant to shortness (h). based on the punnett square, what is the phenotype of the offspring? hh hh tall short