Dan wants to test the effects of different amounts of antibiotic on bacteria. While setting up his experiment he makes sure to use the same type of antibiotic, the same type of bacteria, and the same type of incubator for each trial. Which phrase below best describes this part of the experiment?A.
analyzing results
B.
collecting data
C.
choosing controlled variables
D.
making a prediction

The spinning of an object on its axis is called?

In which location would the air most likely be at standard temperature and pressure? A. inside a car tire B. above a bowl of ice water C. outdoors on a summer day D. above a pot of boiling water E. at the top of a tall mountain

What group of elements are the most reactive group of conductive
solids?

How does the frogs vestigial thumb help survival?

Say no for polythene bags and say yes for paper bags. Comment on this slogan

Read the second section, "Tsunamis Usually Happen In The Pacific Ocean."Read the final section, "Warning Systems And Evacuation Plans Have Saved Lives."

How does the second section relate to the final section?

A
Both sections provide specific examples of the effects of tsunamis.
B
Both sections compare and contrast different causes of tsunamis.
C
The second section describes problems with studying tsunamis. The final section describes how scientists discovered a solution to the problems.
D
The second section describes scientists' predictions about tsunamis. The final section provides information about whether they were correct.