What is common between the environmental changes of ice ages and global warming?

A. They influence global temperatures in the same way.
B. They have the same causes.
C. They can lead to extinction.
D. They disrupt the same species in the same ways.

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

What did the first language sound like

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.