Melvin loves playing football, but he hates wearing his mouth guard. He thinks it makes him look silly. What is the MOST ACCURATE comment Melvin’s friend Andre can make? 1 “You’ll look even more silly without your front teeth!”
2 “It’s only middle-school football. Nobody gets seriously hurt.”
3 “Mouth guards are overrated. I’m not sure they really protect anything.”
4 “That’s okay. If you wear your helmet, you’ll be fine.”

Which of these is most likely to prevent pregnancy? a. tracking of female body temperature to identify ovulation times b. proper condom use c. male withdrawal before ejaculation d. proper spermicide use

Why do rna viruses appear to have higher rates of mutation? a) rna nucleotides are more unstable than dna nucleotides.b) replication of their genomes does not involve proofreading.c) rna viruses can incorporate a variety of nonstandard bases.d) rna viruses are more sensitive to mutagens.

Jessica is a friend dislodge a piece of meat from her throat. she delivers five blows on her friend’s back with her fist and then gives him five abdominal thrusts. is jessica doing the procedure correctly? 1 no, she should use the heel of her hand for the blows. 2 no, she should use the side of her hand for the blows. 3 no, she should use her elbows to deliver the blows. 4 no, she should use a tennis ball to deliver the blows.