Determine whether the underlined sentence opener in the sentence below begins with an adjective, adverb, infinitive, or prepositional phrase.
to satisfy his hunger, the giraffe munched on the trees.
"to satisfy his hunger" is a/
a. adjective
b. adverb
c. infinitive
d. prepositional phrase

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.