Which of the chemicals in the following chemical reaction is the conjugate base? CH3COOH + CH3NH2 --> CH3C00- + CH3NH3+

A.)CH3NH2
B.)CH3COO
C.)CH3COOH
D.)CH3NH3+

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

Why are pipes bursting in the in extremely cold weather?

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?