Your skin has 3 layers. The top layer is called the epidermis. The middle layer is called the dermis. The bottom layer is called the subcutaneous fat.
Try to keep your skin mosturized as much as you can, but in general you can't really prevent it because its just dead skin. it happens to everyone.
Answer: Organisms depend on other organisms and on the nonliving things in an ecosystem to meet their basic needs for food, water and protection. 3. Plants use energy from the sun to produce their own food from air and water.
Explanation:
A is the active site and C is the enzyme
Answers: 1 .The difference in the brightness of two stars with the same surface temperature is attributable to their sizes.( last choice)
2.Most responsible for the formation of a star is gravitational force.(second choice )
3. Blue ( last choice)
4.
A spinning neutron star that appears to give off radio wave pulses is called a pulsar ( third choice)
5.Greater redshifts in the spectra of galaxies indicate faster speeds ( first choice)
