Answer: Wetlands, animal digestion, along with thermogenic sources such as oil and gas production.
Explanation:
Methane (CH4)
Methane comes from natural sources, such as wetlands and animal digestion, along with thermogenic sources, including oil and gas production. Natural gas is approximately 90% methane. Hope this helped!
Answer:
0.5
Explanation:
let the alleles be W- no white spots w-white spots
ww butterflies have white spots
genotypic frequency of ww= number of butterflies with white spots/total number
= 128/512
= 0.25
alleleic frequency of w= square root of genotypic frequency of ww
= square root of 0.25
= 0.5