How much of 90% ethanol must be mixed with 10% ethanol to make 1 pint of a 40% ethanol solution?

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

Marcus's genotype for eye color is bb. olivia has brown eyes, but she is heterozygous for the trait. what percentage of the children have blue eyes? if violet has green eyes and jonas has brown eyes, what is claudia's genotype? how many people in the family have blue eyes?

Building muscle has which of the following effects? it increases the metabolic rate. it relieves pressure on the joints. it slows weight loss considerably.