Countercurrent exchange is evident in the flow of water across the gills of a fish and the blood within those gills. Countercurrent exchange is a mechanism occurring in nature and mimicked in industry and engineering, in which there is a crossover of some property, usually heat or component, between two flowing bodies flowing in opposite directions to each other. Biological countercurrent systems may be downhill exchanges and hairpin multipliers.
Answer:
Tennis ball
Explanation: Wiffle ball is lighter than the tennis ball. Heavier objects will have more kinetic energy than lighter objects. Therefore, the tennis ball is the correct answer. Hope this helps :)
Symptoms include feeling tired feeling bloated peeing more than usual mood swings nausea and tender or swollen breasts
Yes they can but it would be very rare.