Can someone please help me .
Explain how Carbon Dioxide and Ozone affect climate. Make sure you include differences between atmosphere and ground levels : various types of wind patterns and the earth's tilt .

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.