The smallest unit of a compound is called a molecule. Molecules are made
up of atoms that are held together by bonds which is a result by
sharing or exchange of electrons.
The independent variable is the variable that is being changed in an experiment. It is also called the manipulated variable. In this case, it would be the amount of sunlight. The dependent variable would be the variable that is being studied. In this case it would be the length of sleep of the mice. The constants would be the variable that are supposed to have an effect on the dependent variable however it is held constant so as to clearly see the effect of the independent variable.
I believe it would be the 3rd option.
An antibody is also known as an immunoglobulin. It is a
glycoprotein that plays a critical role in the immune system by identifying and
destroying invading foreign particles such as viruses and microorganisms. Thereby,
antibodies protect people from disease and infection.
Answer:
i can help u with the 3rd one
Explanation:
