2 Which of the following best describes temperature? A Number of molecules B Motion of molecules C Size of molecules D Type of molecules

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement

Both carbohydrates and fats are used as fuel in cells. true or false