Answer is A.cell membranes
1.crust
2. mantle
3. outer core
4.inner core
Microscopes are used to magnify smaller micro living thing including bacteria cells and etc
first you get a slide and have your sample there tgen have that slide on the microscope and open the light which is in the microscope and your later going to observe
Answer:
a production of odor
Explanation:
an odor is caused by one or more volatilized chemical compound that humans and other animals can perceive by the sense of smell.
