Which are characteristics of the integumentary system? Select two options. Skin's outer layer has living cells.
Hair helps regulate temperature.
Oil glands produce sweat and oil.
Nails protect nerves.
Hair stays on the head for two months.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

the answer is; comparing the frequency of collisions with and without the device

this makes the anti-collision system an independent variable and the collisions a dependent variable. if there are fewer collisions with an anti-collision system that without, then it can be stated that the system is a success. essentially, collisions under an anti-collision system are compared with the frequency of collisions by cars with the human drivers.

archaebacteria are found in in forest soil.

hope i spelled it right lol

hope i

-lavira: )