I think its salinity because the other things have something to do with tracking precipitation
Answer:
A lipid is any of various organic compounds that are insoluble in water. They include fats, waxes, oils, hormones, and certain components of membranes and function as energy-storage molecules and chemical messengers.
Answer:
It is also one of the world's most important commercial waterways and one of North America's great migration routes for both birds and fishes. Native Americans lived along its banks and used the river for sustenance and transportation.
Explanation:
A physical oceanographer does not study fish therefore your answer is D. Fish
Each bone has a humerus. The ones that have these bones are humans, lions and birds