Which of these statements best explains how fossil records provide evidence to the scientific theory of evolution?

a. they show how natural selection happened on earth by chance.
b. they show how organisms choose to adapt to changing earth conditions.
c. they prove that structure and location of remains of organisms depict past events.
d. they prove that natural selection always leads to greater complexity in organisms.
z

2b2t

explanation:

2b2t

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.