17.contains plenty of salt. It is found in the seas and oceans. Seawater is also called. 18..
19.is found beneath the earth's surface. it comes from water that seeps into the ground. it is considered the cleanest water and contains plenty of dissolved minerals which the human body needs.
20. is also called surface water. This is found in opem but small bodies of watee loke rivers, lakes, creeks, and ponds. surface water comes mostly from rain.

Choices
Hard water
Sea water
fresh water
ground water​

Compare and contrast nutrient limitation in soil vs. nutrient limitation in aquatic ecosystems

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards.the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

What is the difference between an igneous, sedimentary and metamorphic rock