What is not a major contributor to the salinity of the oceans? A-an asteroid hitting the oceans and dissolving
B-volcanic gases
C-weathering of rocks
D-hydrothermal vent systems

the match duh

explanation:

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.

answer increasing the intensity, duration,and frequency of exercise progressively;