Please can someone help me, I’m so stuck and feel like crying

set the fish in somewhere to rest it on and squeeze the liquid out of the fish, then put the liquid into a test tube and mix it with water, wait and then look at it.

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

d.embryo is the correct one