If a substance has a half life of 58 years and starts with 500 g radioactive, how much remains radioactive after 30 years?

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

Draw a line graph showing the relationship between temperature in kelvin as a function of kinetic energy.

Plz ill give u brainliest which of the following steps is not likely to take place during cellular respiration? a.oxygen combines with carbon of simple sugar. b. energy molecule transfers energy to cells. d. energy is used up.