An iron skillet has a mass of 500 g. The specific heat of iron is 0.5 J/g.°C. How much heat must be absorbed to raise the skillet's temperature
by 100°C?

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.