Answer:
D-T helper cells kill virus infected cells
Answer:
DNA changes occur primarily because of natural errors that occur during the DNA replication process. They also can happen when one or more environmental factors act on the DNA. Jul 24 2019
Explanation:
Answer: Alfred Wegener ; Continents
Explanation:
The continental drift theory states that continents of earth have moved over geologic time period relative to each other which appears to have drifted along the ocean bed.
This concept was fully developed and explained by Alfred Wegener in the year 1912 but due to the lack of information about any motive mechanism his theory was rejected.
It is being subsumed by the theory of the tectonic plates by the continents moving because of the movement of the tectonic plates.
I think the answer is D. Because it has the most numbers that make sense
Yes I can I will get back to you in the comments
