What controls what molecules pass in and out of a cell?
When cool air sinks it forces warm air to rise is a example of convection.
Answer:
it's in the explanation
Explanation:
meiosis produces haploid gametes (ova or sperm) that contain one set of 23 chromosomes. when two gametes (an egg and a sperm) fuse, the resulting zygote is once again diploid, with the mother and father each contributing 23 chromosomes
The answer is b 15 14 13 and 12
Answer:
Surface currents in the ocean are driven by global wind systems that are fueled by energy from the sun. Patterns of surface currents are determined by wind direction, Coriolis forces from the Earth's rotation, and the position of landforms that interact with the currents.