It depends on your teacher, it should be A. It could be B if that’s what your teacher wants but I would go with A.
Cells defend themselves from viruses, bacteria with armor of protein errors
Answer: false
the faster a river goes the more sediment it will carry cuz the current will be stronger there for lifting and carrying more sediment
Answer:
The flooding of half part of the forest have successful separate the population of frogs in that ecosystem into two different set of frogs. This is an example of allopatric speciation, that is, the population become separated as a result of geographical barrier. This separation will make the two set of frog population to become new species. On the long run, the two species may become unable to relate sexually.
Explanation:
