How do substances change after chemical reaction?

A. they change phase

B. their atoms are rearranged

C. their atoms lose electrons

D. they lose mass

A patient with metastatic bone cancer (primary site unknown) presents to the oncologist's office for a chemotherapy treatment. on examination the oncologist finds the patient to be severely dehydrated and cancels the chemotherapy.

How is the environment divided

What do all organisms need to survive? a: energy b: blood c: soil

A consumer get a utility bill that shows a usage of 250 kWhr (kilowatt-hours) for the previous month. Although he calls it his "power bill," what is he actually being charged for?

Briefly explain how the genetic code is analogous to the letters of the alphabet

Which of the following happens during the main-sequence stage of a star's life

Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit?

First to answer this gets 70 pts. Which planet do most known extrasolar planets LEAST resemble? A. Jupiter B. Mars C. Neptune D. Uranus

Which object in our solar system has the greatest density

Nearly all of what in your cells comes from your mother