Which of the following is not true of the seasons?

a. the earth is closer to the sun during the summer and farther away from the sun during the winter.
b. the seasons are caused the tilt of the earth on its axis.
c. summer does not start on the same day in every country on the earth.
d. during the summer, days are longer.

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?

Aproduction line at v. j. sugumaran's machine shop has three stations. the first station can process a unit in 7 minutes. the second station has two identical machines, each of which can process a unit in 16 minutes (each unit only needs to be processed on one of the two machines). the third station can process a unit in 10 minutes. ▼ is the bottleneck station, with a bottleneck time of nothing minutes per unit (enter your response as a whole number).

which statements describe the image? check all that apply.the wood is releasing argon gas.this information is useful for dating ancient rock.the process works only with organic matter.the element has a half-life of 5,730 years.this shows the half-life of carbon-19.