Answer:
A. Hydrogen bonds
Explanation:
A. Hydrogen bonds causes water molecules to stick together in liquid water.
Answer:
From 1901 to 2010, global sea levels rose an estimated 187 millimeters (mm; 7.4 inches), averaging a 1.7 mm rise annually; estimates are that from 1992 to 2010, the rate increased to 3.2 mm annually.
I think it's True.. ((:
http://www.chemguide.co.uk/physical/basicrates/catalyst.html
That might help ^
Answer:
B. Lyme disease is caused by a bacterium and RSMF by a rickettsial agent.
Explanation: Rocky Mountain spotted fever is characterized by a sudden, unrelenting and quickly escalating fever and headache and a rash that usually starts on the wrists and ankles. In contrast, the fever and aches associated with Lyme disease will wax and wane, and the circular rash will go away without treatment.
