I’d go with C hope it helps
Answer:carbon,hydrogen, nitrogen, oxygen, phosphorus, sulphur
Explanation:living things are characteristized by hierarchy in their organisation.macromolecules are made up of elements each with it's unique chemical bonds.
Within the cell, macromolecules are found in organelles ,which form the cells.the cells combines into tissues,which combines into organs .organs systems consists of similar functional organs.
living things commonly contains carbon, hydrogen, nitrogen,oxygen, phosphorus and sulphur.
(Mnemonic---CHNOPS)
Answer:
A pH indicator is able to tell what level of pH the substance is at. It can tell how acidic a substance is. If a substance has more hydrogen ions than hydroxide ions then it is acidic. If it has more hydroxide ions that hydrogen ions it is an akaline. the acidic scale is from 0 to 14. lower numbers means more acidic and higher numbers means it is an alkaline.
Explanation:
pH stands for potential Hydrogen.
Baecaise dolphins are aquatic animals, Logan will want to make sure the dolphin's skin stays moist by keeping it in water while transporting
<h3>What are aquatic animals?</h3>
Aquatic animals are animals that live in water.
Aquatic animals may live in either fresh water or marine habitats.
Aquatic animals need to be in water environment in order to keep living.
Dolphins are aquatic animals that live in marine habitats.
They have the ability to get their oxygen from water.
Therefore, Logan will want to make sure the dolphin's skin stays moist by keeping it in water while transporting
Learn more about aquatic animals at: brainly.com/question/988105
