Free radicals are dangerous because a. they are found incorporated in any radioisotope, including those that can enter the body through the lungs as does radon
b. they can be taken into the body in the food eaten if that food has been grown in radioactive soil
c. they are substances that are missing some electrons and are extremely active chemically
d. All of these responses are correct.

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.