B. the reason why scientists do he experiment more than once is because they have to compare the first attempt and the second attempt . Because if they are different they have to figure out what id the different or aka what is different. hope this helps ;)
A pre-purchase inspection differs from a pre-sale inspection in that a. it's requested by the home buyer rather than the seller. B. the inspection report can be used as evidence in court. C. clients are unable to negotiate the conditions of the sale.
Answer:
D
Explanation:
It is often like this: cell->tissue->organ->system
Answer:
relating to or determined by the origin, development, or causal antecedents of something
Explanation:
The answer is to your question my friend is D.