How many dna molecules would there be after four dna molecules unzip and replicate?

Christie's doctor recommends that she eat 40 grams of protein a day. she's already consumed 50% of her protein recommendation for the day. how many servings of the given snack should christie have to meet her daily protein recommendation?

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above