The line graph shows the changing use of three herbicide-tolerant (HT) genetically modified farm crops in the United States from 1997 to 2016. Based on the evidence shown in the graph, which of these changes is MOST LIKELY to have occurred on farms in the United States during the same time period?
A. decreased use of herbicides on soybean fields
B. decreased nutritional value of the average ear of corn
C. decreased value of the total soybean crop
D. decreased concentrations of weeds on cotton fields

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

Can you identify which of the following groups of organisms are, or are not, populations? a. the american bison (bison bison) and grey wolves (canis lupus) currently living in yellowstone national parkb. all of the rainbow trout (oncorhynchus mykiss that) that have ever lived in lake eriec. the group of american bison (bison bison) currently living in yellowstone national parkd. a group of calliope hummingbirds (selasphorus calliope) and a group of rufous hummingbirds (selasphorus rufus) living in the same new hampshire woodse. the northern cardinals (cardinalis cardinalis) living on opposite shores of lake champlain f. all of the whales currently living in the atlantic ocean off cape cod, massachusetts

If a robot fixed another robot is it a engineer or doctor?