We can classify both the shovel and the garden trowel as compound machines. this is because each garden tool contains two simple machines,

a)
a lever and a wedge.

b)
a blade and a handle.

c)
a lever and a pulley.

d)
an inclined plane and a wedge.

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.

In a vegetable garden 45 bean plants have been eaten by deer 5 are untouched what is the frequency of bean plants in the garden that have been eaten?

What happens to the average kinetic energy of water molecules as water freezes?