This is because if we strictly only allow people or things of our type to mingle, there are not enough of us to keep the population going, because then reproducing would be slower and we'd die out, and it would happen that some people who insist on finding "soulmates" that are perfect for them wouldn't find it in their group and refuse to reproduce, therefore making the population even lower.
Answer:
D. 95% of the energy expended to mine and produce items from virgin ore is saved by recycling.
Explanation:
It takes just 5% of the energy used in producing new aluminium from the raw ore to recycle scrap aluminium
Answer:
All of them are made up of atoms.
Explanation:
Atoms are the most basic building block of matter that we have discovered. That means that everything is made up of atoms except dark matter (what space is made of).
<span>Four basic processes are involved in the formation of a clastic sedimentary rock:
weathering (erosion)caused mainly by friction of waves, transportation
where the sediment is carried along by a current, deposition and
compaction where the sediment is squashed together to form a rock of this kind.</span>