During an exothermic reaction, the energy given off comes from

a. atoms being consumed

b. mass being turned into energy

c. the breaking and forming of bonds

d. mass being created

Which graduated cylinder is suitable for use?

Which of the following would cause an error in DNA replication

What type of energy is present when lightning strikes

If your phenotype is free earlobes and free earlobes is dominant what is your genotype

Define Transparent The scientific term for the bending of light The process in which light travels through a medium without being absorbed or scattered Quality of being able to be seen through, clear A dark area created by an object that is opaque

Sometimes when people are cold they rub their hands together to create friction. Keeping this is mind, briefly explain the relationship between friction and thermal energy?

The cells of the suprarenal cortex produce more than two dozen steroid hormones collectively called

How does the study of biodiversity begin

Phytoplankton are essential because they produce which of the following? A. oxygen B. nitrogen C. sulfur D. phosphorus

Which of the following processes is necessary for cellular reproduction and the repair of tissues? A catabolism B excretion C meiosis D mitosis