Explanation

Natural Number: The number 1 is considered a natural number (used for counting: 1, 2, 3, ...).

Explanation

The area of a parallelogram is given by the formula: Area = base × altitude.

Substituting the given values: 36 = base × 4, hence base = 36 / 4 = 9 meters.

Explanation

Most abundant element in Earth crust is Oxygen.

Oxygen in the crust is (46.1%).

The chemical formula of oxygen (dioxygen) is O2.

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List of 10 Most Abundant Elements in the Earth's Crust

Explanation

 A calorie is a unit of energy, specifically used to measure heat energy.

1 calorie is the amount of heat required to raise the temperature of 1 gram of water by 1°C.

In dietary terms, we use kilocalories (kcal) — where 1 kcal = 1000 calories — but it still measures energy, not diet or food itself

Explanation

The correct choice is "is watching" because it follows the present continuous tense, which is used to describe actions happening right now.

"She is watching the TV" indicates that the action is currently ongoing.

Explanation

Primary consumers are animals that eat producers (plants) and are the first level of consumers in a food chain. They are also known as herbivores. Examples of primary consumers include:

• Insects (bees, butterflies, ants)
• Small mammals (cows, goats, rabbits, mice, squirrels)
• Birds (finches, sparrows, robins)
• Fish (some species of fish that eat algae or aquatic plants)

Explanation

 Those substances through which electric current cannot pass are called insulators.

Insulators have very high electrical resistance

. For example, wood, rubber, glass, paper, plastic and wax are insulators of electricity.

Insulators cannot conduct electricity due to absence of free electrons in them.

Explanation

Derived from: computare

Means: “to calculate”, “to count”, “to sum up” or “to think together”. 

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Explanation

Explanation