What causes the earth to lose heat slower and thereby increases the earth's temperature?

A. Desertification

B. The Greenhouse Effect

C. Smog

D. Deforestation

Which can be an effective way to reduce stress? a) getting in the habit of doing things perfectly the first time b) engaging in a fun physical activity on a regular basis c)taking an antacid for a stress-based stomachache d)studying extra hard the night before a test

Protein provides 4 calories per gram. mary is on a diet that requires her to eat atleast 40 grams of protein each day. shes eaten 152 calories of protein today. how much more protein does mary need to eat to meet her goal?

Bloodborn pathogens are infectious microorganisms carried by what?