How can you determine that a star is about to turn into a red giant?
A. When a large amount of hydrogen has been turned into helium
B. When a large amount of helium is turned into hydrogen
C. When the star falls into the sun
D. When the pressure inside the star exceeds its temperature
idk what subject this is so I'm putting it under biology

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.

In "the pig," what is the main effect that the piglet initially has on kibuka?