HELP! FOR A TEST! The slope of a velocity versus time graph is the object's:

acceleration
displacement
position
velocity

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.

The gun from the crime scene shows tool marks where the serial numbers are ground off. there are also tool marks on the bullets left behind. what information can the tool marks on the bullets and gun provide about the crime? what type of evidence does this information provide, individual or class?

2select the correct answer. javed suffers from a severe food allergy. which device should javed always carry? a. inhaler b. epi pen c. nebulizer d. insulin pen