The person who discovered universal gravitation was newton.
Answer: The density because it stays the same with any same liquids or solids or gas with whatever amount of it is added. It only changes if the matter of state is different or there is any environmental change.
Answer:
Gold
Explanation:
We are given that
Mass of sample ,m=385 g
Volume ,V=20mL
We have to find the coin is gold or yellow brass.
We know that
Density=
Using the formula



Density of coin=19.3g/mL
Density of gold=19.3g/mL
Hence, the coin is gold.
Answer: IN terms of the collision theory, increasing the concentration of a reactant increases in the number of collisions between the reacting species per second and therefore increases the reaction rate.
Explanation: hope u get it right
I think the answer is white sand (sorry if i am wrong)