What is the role of collagen in the body?

A) it slows down reactions

B) it speeds up reactions

C) it transports oxygen

D) it provides structural support

An ion has a charge of 3+. if this ion has 8 protons, how moany electrons does it have? A 3 B 5 C 7 D 8 E 11

Internal respiration is the transfer of oxygen and carbon dioxide from the lungs to the tissue cells of the body. True or False

3C2H402 atoms in formula

A cup of coffee is considered a ... A) Solute B) Solvent C) Precipitate D) Solution

Eleanor wants to show her class a comparison of melting rates between two different solids when he is applied why would a graph be more suitable than a table to show her data

An atom containing 47 protons, 47 electrons, and 60 neutrons has a mass number of

BONUS: Wremne UwWM DU Aqueous potassium iodide is mixed with lithium phosphate to form aqueous lithium iodide and solid potassium phosphate.

Can someone who expert in chemistry be my personal tutor? I'm so desperate

Semi-conductors have properties of both metals and non metals. which are two examples of metalloids

How do you determine the percent yield of a chemical reaction?