QUESTION 5 Match the symbol with the type of symbiotic relationship it represents

symbiotic relationships symbol

symbol

A. Mutualism 1.+/+

B. Commensalism 2.-/-

C. Parasitism 3.+/0

D. Competition 4.+/- one sec

How can you increase the ability of a gas to dissolve in a liquids?

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2: