5. the change in isotopes over time due to the emission of radioactive particles is known as
a. absolute-age dating.
b. half-life.
c. radiometric dating.
d. radioactive decay.

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

Any sound above what db can cause hearing loss in human beings

Which type of transport is responsible for oxygen entering into blood cells? a. vesicle b. passive c. facilitated d. active b. passive