Answer:
C.
Explanation:
Strictly speaking, the only type of reproduction in Paramecium is asexual binary fission in which a fully grown organism divides into two daughter cells. ... Autogamy (self-fertilization) is a similar process that occurs in one organism.
<span>solid triglycerides are called fats and liquid triglycerides are called oils. The carboxylic acid moieties involved in forming fats and oils are often referred to as <span>fatty acids</span></span>
Answer:
D. A bicycle rusting.
Explanation:
A. is incorrect because tearing a piece of paper is a physical change, not a chemical change.
B. is incorrect because we are just heating up the object. That only changes how fast the particles are moving and the change in state of matter.
C. is incorrect because we are adding heat to change a state of matter (from solid to liquid) and it is a physical change.
Therefore, only D. is the correct answer. Iron rusts, and when it does, it chemically changes into an iron oxide (rust).
C because the heart pumps normally with a constant pressure but when it is lower it needs to push harder to get the blood to where it needs to go causing it to malfunction