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Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
Switching ain't Snitching
Well, switching EACH time seems to grant a 75% win. Making the switch is the way to go. Why? Because the clue is helping you see which one is NOT correct and the odds that the one you picked right of the bat being correct is not too great (1 in 3 odds). So, switching would then give you a 1 in 2 chance rather than 1 in 3. The logic hurts my brain but it works.