Explanation

Tuberculosis (TB) is primarily treated with a combination of antibiotics, which is a form of chemotherapy.

The treatment usually involves a prolonged course of multiple antibiotics to eliminate the bacteria.

Explanation

A teacher acts as a guide, helping students understand concepts, develop skills, and shape their character.

While teachers can also be role models, their primary role is to guide learning and personal development.

Explanation

A balanced diet provides all essential nutrients in the right proportions for proper growth and health.

It is important for both children and adults to maintain overall well-being.

Explanation

(+5) - (+7) = 5 - 7 = -2

Subtracting a larger positive number from a smaller one gives a negative result.

Explanation

2H₂ + O₂ → 2H₂O

This balanced equation ensures 4 hydrogen atoms and 2 oxygen atoms on both sides.

It correctly represents the formation of water from hydrogen and oxygen gases.

Explanation

Explanation

Children under 5 are most vulnerable to waterborne diseases due to their developing immune systems and high susceptibility to dehydration.

Poor sanitation and contaminated water sources can severely impact young children, leading to high mortality rates in this age group.

Explanation

The correct sentence is: People call this place the Forbidden Forest.

"Call" is used when naming or referring to something by a specific title.

Explanation

"Percent" means per hundred, so 1% = 1 ÷ 100

It can also be written as a decimal: 0.01.

Explanation

Ammonia (NH₃) has a trigonal pyramidal shape due to one lone pair on the nitrogen atom.

The molecular geometry results from sp³ hybridization and lone pair-bond pair repulsion.