The answer is tighten and contract.
In order for the students to pull the rope their muscles will need to tighten and contract so they are able to continuously pull with all their strength and power. Relaxed or twitched muscles will result in release of the rope.
Im pretty sure Same foot as racket hand
A. Virus - flu
B. Fungus - yeast infection
C. Protist - malaria
Answer:
About 250 g
Explanation:
carbohydrate = 4 calories/gram
2000 cal /2 = 1000 cal
1000cal /4grams = 250 grams