She would find oxygen (O2) in the test tube because plants give off oxygen
"Protein" helps in packaging of DNA<span> in eukaryotic chromosomes
Hope this helps!</span>
The correct answer is option C, that is, both vitamin C and zinc are involved in immune system functions.
Vitamin C is an important vitamin, which does an essential function in wound healing, immunity, and eye health. On the other hand, zinc refers to a dietary mineral, which also helps in immunity, protects the eyes from vision-robbing ailments, and also helps to heal wounds.
The answer is
ocular lens
Stage
Objective lens
Focusing le s