Water is the body's most indispensable nutrient. Indispensable means the most essential, in this case, it's water.
Nutritional intake
Sunlight
H2O
Air
Hope that helps.
The visceral mass that every mollusk has are internal organs, digestive tract, paired kidneys and reproductive organs
<h3>What are invertebrates?</h3>
Invertebrates are animals which do not have backbone.
Some invertebrates phyla include:
- Porifera
- Coelentrata/Cnidarian
- Annelida
- Platyhelminthes e.t.c
So therefore, the visceral mass that every mollusk posses are the internal organs, digestive tract, paired kidneys and reproductive organs
Learn more about invertebrates:
brainly.com/question/947257
#SPJ1