Answer:
The layer of the uterine wall that is shed during menstruation is the <em><u>endometrium</u></em>
Matter is anything that is made of atoms and has mass
The type of energy => Biomass energy
Frog temperature. Frogs are ectotherms, this means they gettheir heat from external sources. They are sometimes called 'cold blooded', but in fact they do not have cold blood, it is justregulated by their environment. In comparison, humans are endotherms and can maintain their body temperature at about 37°C.
Answer:
I believe it's <em>size</em>