Describe how dna acts as the “master molecule” of a cell.

Is snow a type of precipitation? explain why or why not.

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas