Answer:
nearly one million tons per year
Explanation:
Midgely would receive the Society of Chemical Industry’s Perkin Medal for this research in 1937; in 1941, he was awarded the Priestley Medal, the American Chemical Society’s highest award, for his contributions to chemistry.
By the early 1970s, CFCs were in widespread use, and worldwide production of the compounds had reached nearly one million tons per year, representing roughly a $500 million slice of the chemical industry.
I believe the correct answer is B Hope this helps! ^0^
1) recessive allele in both parents
2) 0%
Hope this helped! :)
Answer:
Dr Poole worked in Gorongosa park and he made the observation of most females being tuskless as a result of the selective pressure caused by poaching.
Although male elephants are also affected by this in which some don’t also have tusks the percentage is low when compared to the female elephants.
Answer: step 1 is radiation step 2 is conduction
Explanation: step 1 is radiation because the sun is giving off heat radiation which is heating up the sand without the sun actually touching it
step 2 is conduction because your foot is actually touching the sand and the sand it hotter than your foot, so the sand transfers its heat to your foot until your foot is as hot as the sand
