With mat irrigation, water moves by blank from the mat into the root substrate in the pot to maintain constant moisture A. Zero leaching
B. Capillary action
C. xeri-action
D. Overhead

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

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