Measurement bias caused by observer expectations can be avoided by using observers.

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

What can happen to an enzyme as tempature rises

Make a claim about the factors that cause inherited genetic variations within populations. also make a claim about the effects of mutations.