Answer:
c. relative size
Explanation:
Jason has to look down the beach meaning the sand there is furtner from him. Since objects look smaller the further they are, the size he sees it is relative to the distance he sees it from.
Thus the answer is relative size.
Tom is a genetic psychologist of which is the one
responsible for studying the behavior of a person with the use of their own
genes and such factors like the environment, heredity or personality that will
likely affect their behavior and the way they act towards others.
This is your perfect answer
Under the Onís-Adams Treaty of 1819 (also called the Transcontinental Treaty and ratified in 1821) the United States and Spain defined the western limits of the Louisiana Purchase and Spain surrendered its claims to the Pacific Northwest. In return, the United States recognized Spanish sovereignty over Texas.