Answer:
Acids break down fabrics and can cause burns if the acids are strong.
Explanation:
A protective apron or lab coat is important when working with acids because acids break down fabrics and can cause burns if the acids are strong.
- An acid is a substance that interacts with water to produce excess hydroxonium ions in an aqueous solution.
- A strong acid ionizes completely in solution.
- When they come in contact with a fabric, they break them down violently.
- So, if they come in contact with the skin, it causes a violent break down of body tissues.
- The apron acts a protective layer.
Answer:
(B) the sum total of all matter and energy
Explanation:
Universe comprises of all the matter and energy that exists in space. It contains billions of stars, planets and interstellar matter that is clouds of dust and gas. There is large amount of the empty space in between.
Universe contains stars as many as grains of sand on all beaches on the Earth. These stars are grouped into galaxies. Milky Way is one of the galaxies. Galaxies can be grouped into clusters and super-clusters.
Answer:
south of east
Explanation:
= 3 m/s
= 
north of east
= 6 m/s
= 
south of east = 
north of east
x and y component of
x and y component of
Magnitude
Direction
The magnitude of the change in velocity vector is and the direction is south of east.
If it is GAINING mass, the kinetic energy increases because it's still moving. If it stopped, it would then become potential energy.
yw XD
(just answered the same question just different user)
It is possible, but very slim. The fish will move before the spear goes through its body because the fish will sense danger and feel it hit the water and automatically move
