The first one would be temperature and salinity
the second one is convection.
What do you mean but if you mean what I think you mean then you take half of the tadpoles
Answer:
Water- from water comes from a variety of sources, including many of the same sources as tap water.
Leather- from rawhide and skins. The most common raw material is cattle hide.
plastic- from cellulose, coal, natural gas, salt and crude oil through a polymerisation or polycondensation process
Explanation:
<3
Gene (DNA) expression would be B
