captains should always do what before playing to demonstrategood sportsmanship? what should you do if you accidentally push someone down? ( for pe test help me please)

Who is considered the father of modern behavioralism? a fred b jung simmer pavlov

Wjat are substances intentionally added to food to produce a desired effect?

Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells.b) viruses have capsids composed of protein, whereas viroids have no capsids.c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna.d) viruses cannot pass through plasmodesmata, whereas viroids can.