if a distant star is 20 light years away how long wil it take us to travel there moving at the speed of light?

This is used to carry oxygen and nutrients to the cells in the body and carry carbon dioxide and wastes away from the cells.

What method of identifying substances is the best way to identify a chemical reaction

Covalent bonds are characterized by ... a. the sharing of electrons b. the transfer of electrons c. the gain of electrons d. the loss of electrons

La energia cinetica de una masa de 6kg que poses una velocidad de 10m7 / la energia cinetica de una masa de 6kg que posee una velocidad de 15m/s como lo puedo desarrollar

What Is Dipole moment?

And object has a mass of 15g it has a volume of 7.5ml. find the density of the object.

I need this answered quickly. is the branch of science for naming and classifying organisms based on their natural relationships? A-physics B-taxonomy C-genetics D-biology

For a fixed amount of gas, if the absolute temperature of the gas is doubled, what happens to the pressure of the gas?

A 500-kilogram sports car accelerates uni- formly from rest, reaching a speed of 30 me- ters per second in 6 seconds. What distance has the car traveled during the 6 seconds?

What is efficiencywhat is the formula of mechanical advantage and velocity ratio of labour