Which feature signifies to astronomers that a distant star is part of a planetary system

The variable you want to test is ...

When a pulse is palpated and counted which pressure would be characteristic?

What type of properties would a scientist need to know to correctly place in new element into a group?

Sound waves are created by which of the following: A.) Vibrations of particles in the air B.) Vibrations in your vocal cords C.) Vibrations of musical instruments D.) All of the above

A water rocket can reach a speed of 95 m/s in 0.050 seconds from launch. What is its average acceleration?

Which is the correct order from the closest to the sun to the farthest away from the sun? A. terrestrial planets, asteroid belt, gas planets, Kuiper belt B. gas planets, asteroid belt, terrestrial planets, Kuiper belt C.

Ethylene (C2H4) reacts with oxygen gas to produce carbon dioxide and water. 45.0 grams of ethylene reacts, how many grams of carbon dioxide gas will be produced?

What causes ice to melt and water to boil

A block of mass 3.5 kg slides down a frictionless inclined plane of length 6.4 m that makes an angle of 30 degrees with the horizontal. if the block is released from rest at the top of the incline, what is its speed at the bottom

What is the wavelength of an earthquake wave if it has a speed of 5 km/s and a frequency of 10 Hz?