Mary and Keisha run with the same constant speed but in opposite directions. The girls have: A. The same position B. Different accelerations C. Different speeds D. Different velocities

Abag contains even and odd numbered balls in the ratio of 3: 7, respectively. for each of the following, what is the probability of drawing an even-numbered ball? the total number of balls is 240 and 30 of the odd-numbered balls are renumbered by multiplying the numbers by 4.

What is it called when someone gets sick from eating food contaminated with germs or toxins? a. potentially hazardous food b. ptomaine poisoning c. foodborne illness d. raw food

Abacterium was found to contain a sequence of atcgggatcct in its genome. a few generations later, the sequence was found to be atcatcct. what type of mutation caused this change in the bacteria? a. duplication b. insertion c. inversion d. translocation