Which element is least likely to conduct heat and electricity
a. O
b. Si
c. Po
d. Ca

What types of energy transfers and energy transportations are involved in the domino chain reaction?

Explain why phospholipid molecules form a bilayer. (3 marks)

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