Katie is camping with her family. She forgot her gloves. Now her hands are cold. How can Katie keep her hands warm?
OA
Katie can stick her hands in cold water.
ОВ.
Katie can hold a flashlight in her hands.
OC.
Katie can rub her hands together.
OD. Katie cannot make her hands warm.

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex

To be or not to be that is da question