The first line of defense is skin, since it is the epidermis (top layer of skin) that protects all internal fluids and structures.
It measures the total amount of Carbon dioxide

and Methane
Hello, Tristanfranzino!
Plants are photosynthetic autotroph.
An autotroph is an organism who makes their own food. Plants do that.
Plants are also photosynthetic, which means they use photosynthesis.
Answer: Plants
Hope this helps :)
Theres 2 covalent bonds in one water molecule and Plants use capillary action to bring water up the roots and stems to the rest of the plant.
They are alike because both tell what was the truth about somthing.