how does the number of chromosomes in a persons sex compare with the number of chromosome in the body cell

At what distance must a star be to have its apparent magnitude equal to its absolute magnitude?

Which of the following statements about the Earth's atmosphere is true?

Inputs, processes, outputs, feedback, and a goal are all involved in

Air resistance is a type of friction true or false

What is the magnitude of the maximum stress that exists at the tip of an internal crack having a radius of curvature of 4.5 * 10-4 mm (1.772 * 10-5 in.) and a crack length of 3.5 * 10-2 mm (1.378 * 10-3 in.

You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s. Calculate the energy.

Three ideal polarizing filters are stacked, with the polarizing axis of the second and third filters at 21 degrees and 61 degrees, respectively, to that of the first. If unpolarized light is incident on the stack, the light has intensity 60.

What does an electric current produce

A series circuit contains three 2 Ω resistors and a 6 Ω resistor. The current in each resistor is 4.0 A. What is the voltage of the battery in the circuit? 2.0 V 3.0 V 32 V 48 V

A solid metal ball and a hollow plastic ball of the same external radius are released from rest in a large vacuum chamber. When each has fallen 1 m, they both have the same?