Answer:
no
Explanation:
Simple diffusion does not require energy or need the assistance of a transport protein. Other larger or charged molecules that diffuse across a membrane may need assistance from a protein.
The doctor is higher class, kino's lower class, kino became scared because he had to trust the doctor to sure his son.
Answer:
The first and last box. If you don't agree with the first then definitely consider the last box.
Answer;
A compound
A substance which can be decomposed in two or more simpler substances by chemical action is called a compound.
Explanation;
A compound is a substance that is made from the atoms of two or more different elements that are chemically combined or bonded.
It is a pure substance that can be decomposed into simpler substances by chemical reactions, can not be separated into 2 or more substances by physical means.
Each compound has a formula showing which elements are present in the compound, and conisists of two or more elements in a fixed ratio.