Answer:b. After three generations of breeding the smallest dogs, the average size of pups in a litter decreases by 3 pounds. -- Evolution
Explanation:Evolution refers to changes in inherited traits which occurs over successive generations.
These are genetical traits which are passed from parents to offsprings.
It may be due to mutation or combination of genes that causes genetical variations over time.
It is also driven by natural selection in which subjects with resistant genes stay long and have these passed from generation to generation or resulting to some genes being eliminated.
For Economic reasons. Areas farther out areas had land that was poor for farming.
The Marxism is the philosophical theory developed by the study of the work by Karl Marx and Friedrich Engels, that analyzes the concept of social classes and the conflicts related to them. These conflicts are defined as "class struggle" as the conflicts of interests between a group of individuals that share the same economic situation, like workers, and those who have a better economic situation and more opportunities of keeping better living conditions.
The choices are:
A. ) standardization.
B) predictive validity.
C) reliability.
<span>D) content validity.
The answer is A. standardization. He was comparing his score to other average test-takers. From there he could reflect if the test is a standard exam for Math. He most probably would see average test takers get approximately at least his score. </span>
Sorry I’m as dumb as a rock that’s I gotta answer ppl
