Answer:
Deletion is a type of mutation involving the loss of genetic material. It can be small, involving a single missing DNA base pair, or large, involving a piece of a chromosome.
I believe the green substance s called chlorafill..
The flexible barrier that protects the inside is the cell membrane
Answer:
Four main types of carbon-based molecules are found in living things. All organisms are made of four types of carbon-based molecules: carbohydrates, lipids, proteins, and nucleic acids. Fruits and grains both contain large amounts of carbohydrates. Carbohydrates are molecules made of carbon, hydro- gen, and oxygen.
Explanation:
Man-made products such as gasoline, oil, road salts and chemicals get into the groundwater and cause it to become unsafe and unfit for human use
