What is a balanced diet? find the different food groups that should be included in a balanced diet​

How many variables are altered in a good experiment? a.1 b.0 c.2 d.3

The use of dna as evidence in criminal investigations became possible because of the

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different