A forms when a cold air mass pushes into a warmer air mass.
Question 10 options:

cold front

occluded front

warm front

stationary front

Cold front  

Explanation:

A cold front forms when a cold air mass pushes under a warmer air mass and forces the warm air to rise.

B is wrong. An occluded front is formed when a cold front overtakes a warm front.

C is wrong. a warm front forms when a warm mass replaces a colder air mass.

D is wrong. A stationary front is a cold or a warm front that has stopped moving.

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

subscribe to my yt channel yoongi jmz

follow my insta yoongi_jams

stan bts