RrTt means brown leaves and tall stems !
so the answer is D !
A scientific model can be used to test a hypothesis.
Answer: These 2 are called the double helix made up of sugar and phosphate groups. Attached to each sugar is one of four bases--adenine, cytosine, guanine, and thymine.
A black asphalt road, because darker surfaces attract more sunlight, and asphalt is not a smooth surface (has gravel), and surfaces that are not smooth will also attract more sunlight. There, a black asphalt road will be hotter
