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
Both organisms are composed of cells, the basic unit of life, with each cell surrounded by a cell membrane. The biggest difference between prokaryotes and eukaryotes<span> is that </span>eukaryotes<span> have a nucleus. They also have other membrane structures called organelles.</span>
Answer:
A cell that contains a nucleus and other membrane bound organelles.
Explanation:
One example of irradiation solving a societal problem might be the way
in which it is able to prevent diseases in food. Using small amount of
radiation, the bacteria and insects that would otherwise be carrying
harmful bacteria can be killed. This will solve a societal problem, in
that food wastage and illness due to food poisoning in poverty-stricken
areas are massive problems faced in our society.