when water is diffusing into and out of a cell at an equal rate the solution outside the cell is called

What is the term for a reaction in which a substance gains electrons? a.) respiration b.) redox reaction c.) reduction d.) oxidation

What is the difference between solids and fluids?

Why is every offspring unique?

What is the density of a wood piece with mass of 10 grams and measurement of 2.5 cm^3 length?

Why is oxygen in the atmosphere such an important natural resource for humans and animals?

What are the 3 nitrogen bases of DNA called (it's a one or two word answer)

Can biodegradable pollutants cause environmental problems

Scientists at the tar pits discovered that many of smaller animals they extracted from the pits still exist around los angeles today. But many larger mammals such as woolly mammoths and saber toothed tigers are now extinct.

The kidneys are organs that filter wastes out of the blood stream. Which of the following objects could best be used to make a simple model of a kidney? A. water pump B. plastic bag C. coffee filter D. block of wood

How might bacteria evolve to resist antibiotics