Phoebes Levine proposed the polynucleic model (around 1910!).
In my mind it is C, because A looks a bit too suspicious too me, because we already had a lot of crops, but now al lot of the things we use are plastic, such as plastic cups, chairs, and tables etc.
My final answer is C.increased use of plastics.
Hope this helps!
Answer:
<u>Two molecules (or compounds) are combined together</u> to begin the process.
Explanation:
Dehydration synthesis is formally known as a chemical reaction.
<u>Dehydration synthesis happens when two molecules combine with one another</u>. Once they are joined together the process of water removal starts.
Hope I could help! :)
Answer:
According to the “hygiene hypothesis,” the problem with extremely clean environments is that they fail to provide the necessary exposure to germs required to “educate” the immune system so it can learn to launch its defense responses to infectious organisms. Instead, its defense responses end up being so inadequate that they actually contribute to the development of asthma.
Explanation:
