Answer:
The answer is A
Explanation:
You can tell that rocks are older or younger depending on if other layers overlap. B is the oldest because all the others cover it, C is the second youngest because D and A overlap it. From what I could tell, when I took the test, it was either A or D, neither overlap each other so I was not sure so I guessed A and got it right. Though it could be looked at that A is smaller than D since its still growing and building.
The first experiments that correctly identified the molecule that carries genetic information were performed by Oswald Avery.
<u>Option: A</u>
<u>Explanation:</u>
One of the top molecular biologists and well experienced in immunochemistry popular as Oswald Avery, who worked with his colleagues Colin MacLeod and Maclyn McCarty and resulted into most famous study authored by them in 1944, it involves separation of DNA as the material from which genes and chromosomes are produced. He proved DNA was the essence of transformation. DNA was able to convert another strain when isolated from one strain of bacteria, and impart features on that second strain and these DNA contain hereditary knowledge.
Answer:
Haikouichthys and Myllokunmingia
Overcourse this is true.
Air pollution causes distortions to the air organisms breathe.
<span>The type of pollution that is caused by particles in the air is called Particulates and it is a type of air pollution.These are highly deadly for all living beings. The minute solid or liquid particles that are present in the air or atmosphere can cause a great amount of damage to the lungs of humans. WHO or World Health Organization has designated Particulates as Group 1 carcinogen. The particulates are considered as the deadliest form of air pollution as it can mix with blood unhindered and create death, heart attack or heart ailment and even go as far as creating DNA mutation. </span>