I need help with science o. o: Question 1:

An egg yolk is unicellular.

True
False


Question 2:

Your body has more than a billion cells.

True
False


Question 3:

Almost all cells are not microscopic.

True
False

please dont steal my points :>

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.