What is the maximum height the hill could be

Give the biological term for: structures that display characteristics of living organisms only within living cells

Acommon kind of mechanical weathering is called

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2