A solar prominence is

a. a solar eruption that loops into space

b. a solar storm that moves across the sun's surface

c. a solar battle that produces new energy

d. a solar flare that produces new energy

Why might city areas have a higher temperature than rural areas?

motorcycle accelerates from rest to a final velocity of 27 m/s in 9 seconds. What is its acceleration?

A piano of mass 852 kg is lifted to a height of 3.5 m. How much gravitational potential energy is added to the piano? Acceleration due to gravity is g = 9.8 m/s2.

What temperature scale (s) are used most often by scientists? a. only celsius b. celsius and kelvin c. fahrenheit and kelvind. fahrenheit and celsius

What is the tool used for classifying organisms called? A. dichotomy B. dichotomous key C. dichromic key D. periodic table

How far can a person run in 15 minutes if he or she runs at an average speed of 16 kilometers / hours?

In the parts that follow select whether the number presented in statement A is greater than, less than, or equal to the number presented in statement B. Be sure to follow all of the rules concerning significant figures. Statement A: 2.

All your cells contain proto-oncogenes, which can change into cancer-causing genes. Why do cells possess such potential time bombs? A. Cells produce proto-oncogenes as a by-product of mitosis. B.

What is the mass of a basketball that is shot with 12N of force at an acceleration of 4m/s2?

Why do metals have similar properties?