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.
Answer: (A) Advanced age
Explanation:
Pneumonia is a kind of infection that causes the inflammation of the air sacs of lungs. This results in the deposition of the air sacs with pus or fluid, which results in symptoms of fever, pus, cough and difficulty in breathing. A variety of organisms such as fungi, viruses and bacteria can cause pneumonia.
Pneumonia can affect any human being but severe symptoms develops in infants, people of old age, and people suffering from diseases. As these people are likely to have weak immune system.
Among the options given, advance age is the correct option, this is because of the fact that the person is obese 85 year old although his diet is healthy but due to lack of immunity in the older age the risk of development of pneumonia will be the greatest.
Answer:
Area
square centimeter
Diagonal
centimeter
Explanation:
Area of the rhombus is equal to the product of its side and altitude
Thus,
Area of the rhombus
square centimeter
Area of the rhombus is equal to half the product value of two diagonal
square centimeter 
cm
Answer: Yes
Explanation:
If a edible object enters your body, the stomach breaks down the food with enzymes. While the food is going down your digestion system, your intestents makes that edible object smaller
:) Hope it helps
girl's periods get more regular, cramps are more likely.They can be mildly annoying to extremely painful, and they usually last for a few days. Cramps may worry some girls at first if they don't know they're often a normal part of having a monthly period.<span>
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