3. MATH Connection Only a small percentage of Americans owned
cars before the 1940s. By 2017, there were nearly 250 million vehicles
for 323 million people, greatly increasing the need for roadways. In 1960,
the United States had about 16,000 km of interstate highways. Today,
the interstate highway system includes 77,000 km of paved roadways.
What percent increase does this represent?
A 381 percent
B 792 percent
C 38 percent
D 79 percent

Works together in the synthesis, modification, packaging, and transport of lipids and proteins

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is