What are the parts or process that can describe an ecosystem?

a. chemical changes and flow of energy

b. chemical changes and flow of water

c. physical changes and flow of energy

d. physical changes and flow of water

Christie's doctor recommends that she eat 40 grams of protein a day. She's already consumed 50% of her protein recommendation for the day. How many servings of the given snack should Christie have to meet her daily protein recommendation?

Which is the best example you of a direct observation

What is the name for a reaction that links monomers to form a chain? a-hydrolysis b-dehydration synthesis c-cellular respiration d-photosynthesis

How does the abnormal shape of a sickled red blood cell affect its movement through blood vessels?

What is bacterial transformation

What respiratory illness can be caused by bacteria?

At the moment a liquid is turning into a gas, the temperature goes up goes down remains constant goes up and down very fast

With severe deep frostbite of an extremity, the water should be at what temperature for re-warming

What flowering plants evolved during the Cretaceous period

Most jobs moved from the home to the factory and led to