La conversión de unidades de medida​

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair

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

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million