Ryan made a list of activities that are scientific and activities that are not scientific. Which activity should Ryan classify as not scientific?

A. sorting rocks by color and size

B. climbing to the top of a very tall mountain

C. measuring the height of a plant every day

D. making notes about how many hours the sun shines each day

*will mark brainliest to the first and correct answer less species diversity results in less a. oxygen b. food c. drinkable water d. all of the above

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it