John is trying to measure the pressure acting on a square platform. He has placed a mass of 20 kg on the disk and he measures the length of one side of the square as 15 cm. What is the pressure john should measure?

Describe the function of the endomembrane system? what organelles are involved?

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.

Which branches of natural science include the study of an organism that lived 10 million years ago