The peppered moth is a classic example of natural selection in the environment. The peppered moth has three color patterns: light, medium,
and dark. Prior to the industrial revolution, the light moth, which could
better blend with the tree bark, was the most prevalent. After
industrialization, the darker moth population quickly increased since the
tree bark became darker. Which of the following BEST describes why the
change in population occurred so quickly?*
Mutations took place in DNA.
O Different species of moths interbred.
Industrialization took place in a short period of time.
O Color variations were already present in living moths

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity hurry!

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.

Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.