Why did mendel prevent his plants from self-pollinating? so they couldn't produce offspring to insure that each plant's offspring would remain identical to the parents to control the crossing of the traits to maintain a pure strain

Astore manager timed janette to see how long it would take her to fold and put away a sweater, a shirt, a pair of pants, and a scarf. it took her 26.1 seconds for the shirt, 24.3 seconds for the sweater, 32.8 seconds for the pants, and 18.2 seconds for the scarf. what was the average time it took janette to fold and put away all four items? during a catered lunch, an average of 4 cups of tea are poured per minute. the lunch will last 2 hours. how many gallons of tea should the caterer bring if there are 16 cups in one gallon?

Ascientific idea becomes valid when it is what?

True or false multiple lane changes must be done individually going through the same procedures for each lane change