Think about what you need to stay alive. Consider how this might apply to yeast. Why do you think sugar was added to the yeast-and-water mixture?

In warm sugar water the yeast will grow and continue to feed on the sugar until it is all gone and as it does this it'll create waste products that are used both in beer and bread.

d. in sexual reproduction, offspring have more chromosomes than

either parent.

asexual reproduction results in offspring which are genetically the same as the parent organism (not counting a rare mutation). sexual reproduction produces a random mixture of the genetics derived from both parents

explanation:

the answer is a) a shiprock was formed by igneous process