At a continental-continental convergent boundary, . a, both continental plates are subducted b. one continental plate is subducted below the other c. folded mountains are formed d. fault-block mountains are formed

I think both continental plates are subducted

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds