Nothing is exempt from which states the total energy remains constant during a physical change.
a. the law of energy conservation
b. the conservation law of angular momentum
c. the law of gravity
d. newton’s law of motion

What is the name of the type of cell division that occurs in the prokaryotic cell cycle

When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.