Suppose you have six slices of bread, a full jar of jelly, and a full jar of peanut butter. The theoretical yield was three sandwiches and the actual yield was two sandwiches.

What is the percent yield?

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?