When a high-mass star explodes witch of the following occur

a. black hole

b. neutron star

c. white dwarf

d. either a or b

Is a sedimentary rock formed from the remains of tiny sea animals

How do we know the earth has layers?

Name at least two eating disorders

Scenario A: A ramp is used to lift a refrigerator a height of 12 m with a force of 110 N. The ramp is at an angle of 50° to the ground. Scenario B: A ramp is used to lift a refrigerator a height of 13 m with a force of 120 N.

Suatu larutan penyangga dibuat dengan mencampurkan 50mL larutan H3PO4 1 M dengan 50mL larutan NaOH 0,5 0 berapakah pH larutan Itu?

The correctly balanced equation for H202 - H2O + O, is A) H202 - 2H2O + O2 B) H302 - H20+20, C) 2H, 02 - - 4H20 + 0, D) 2H, 02 - 2H30 + 0,

What happens to the wavelength of a wave if you increase the frequency?

In a transverse wave, the particle motion is what to wave motion? A. perpendicular B. parallel

Which agent of weathering breaks down limestone statues?

A charged particle moves at 2.5 * 104 m/s at an angle of 25° to a magnetic field that has a field strength of 8.1 * 10-2 T. If the magnetic force is 7.5 * 10-2 N, what is the magnitude of the charge?