Answer:
In Manchester England in the 1840's there were factories that used coal which coated the trees. This allowed the darker moths to hide better against the trees than the lighter moths which were eaten by birds.
Explanation:
Unfortunately, there is no cure for asthma at this point. In fact, it's highly advisable to avoid any asthma treatment.
Answer:
Polymetallic nodules 4,000 – 6,000 m Nickel, copper, cobalt, and manganese. sorry if I get it wrong.
Explanation:hope I get brainliest:D
Answer:
Explanation:
About 3% of total water on the earth surface is derieved from fresh water sources.
Given that, the total volume of water on the earth surface = 1,386,000,000km³
Volume of fresh water = 3% x 1,386,000,000
= 41,580,000km³