This woman is riding a bicycle down a hill at a constant speed and in a straight line.
Which situation will change the direction of the bicycle?
A. Added forces of 10 N up the hill and 30 N down the hill
B. An added force of 20 N down the hill
C. Added forces of 30 N up the hill and 30 N down the hill
D. An added force of 20 N to the side of the hill

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

Chromosome 17 is made of over million base pairs.

Correct relationship between molecular formula and empirical formula