Calculate the force on an object that has a mass of 12 kg and an acceleration of 4 m/s2.

How can you approximate the number of calories required to keep you in energy balance?

What is the farthest destination to date for a human spaceflight mission?

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative