Answer:
A
Explanation:
The pulmonary arteries carry low-oxygen blood from the right ventricle of the heart to the lungs.
Answer:
A true
Explanation:
Living things are made of four types of molecules, known as macromolecules. These macromolecules are proteins, nucleic acids (DNA and RNA), lipids (fats) and carbohydrates. Each type of macromolecule is made of its own building blocks, which are intricately connected to form different shapes.
Answer:
Because they are unicellular eukaryotes and also aquatic
Explanation: