Using the graph below, what can you infer about the correlation of us crude oil production and imports between 1920 and 2020?

a). after 1980, as the us crude oil production decreases, the amount of imports remains stable.

b). until 1980, as us crude oil production increased, the amount of imports increased.

c). before 1980 as the us crude oil production increases, the amount of imports decreases.

d). there are no correlations between us crude oil and imports.

D). there are no correlations between US crude oil and imports.

Explanation:

A correlation means that there is a relationship between two variables .

From the given graph, there is neither positive nor negative correlation  between US crude oil and imports .

Thus, there is no correlation between US crude oil and imports.

emerald ash borer

the emerald ash borer is a green buprestid or jewel beetle native to north-eastern asia that feeds on ash species. females lay eggs in bark crevices on ash trees, and larvae feed underneath the bark of ash trees to emerge as adults in one to two years. hope this !

hi~~

i would say that hybridization occurs frequently in nature, because there are many types of hybrids that have occurred naturally, such as the mule (male donkey + female horse)