Which is most likely to cause beach erosion? a) swimmers eliminate b) sailboats c) building dune fencing d) fast-moving watercraft

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

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation

Crossing over is a method of (blank)?