How do substances change after a chemical reaction?

A they lose mass

B their atoms lose electrons

C they change phase

D their atoms are rearranged

Which kind of plate movement is shown in this figure

Proper use of a condom during sexual activity does not guarantee protection against stis.

Which of the following is not a possible consequence of exposure to ozone? a. chest pain b. congestion c. respiratory disease d. gastroenteritis

What determines whether a person will have dimples or not?

Which of the following is a value of biodiversity? A. Climate change B. Healthy ecosystems C. Pollution D. Invasive species Is it B?

Make a concept map/organizer to relate the actions of the nervous, skeletal, and muscular systems to a stimulus.

If the temperature increases and the barometric pressure falls, then what is likely occurring? A. Cold, moist air mass is approaching as a cold front. B. Warm, moist air mass is approaching as a warm front. C.

What is 23x9 (54-9) x-273≈9273√³

What are three heat sources for metamorphism?

About 10% of women experience severe pain at the entrance of the vagina. this is known as