Explanation

Women's voices typically have a high frequency.

This making them sound sharper or higher-pitched compared to lower-frequency male voices.

Explanation

Non-flowering plants are called cryptogams.

It include groups like algae, mosses, and ferns, as they reproduce without seeds or flowers.

Explanation

A fission reaction is a chemical reaction in which an atomic nucleus splits into smaller parts, releasing energy.

It typically occurs in nuclear reactors and atomic bombs.

Explanation

Water vapor is the gaseous form of water.

It present in the atmosphere as an invisible gas.

It is part of the water cycle.

Explanation

Stainless steel is a alloys that contain a minimum of approximately 11% chromium, a composition that prevents the iron from rusting and also provides heat-resistant properties.

The four main types of steel: Carbon Steel, Alloy Steel, Tool Steel and Stainless Steel.

Explanation

The unit of gas billing is typically the British Thermal Unit (BTU), which measures energy.

It quantifies the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.

Explanation

Objects that are said to be undergoing free fall, are not encountering a significant force of air resistance; they are falling under the sole influence of gravity.

Under such conditions, all objects will fall with the same rate of acceleration, regardless of their mass.

Explanation

In one year a mature tree will absorb more than 48 pounds of carbon dioxide from the atmosphere and release oxygen in exchange.

Explanation

Mosquito causes Malaria which affects Spleen.

Malaria is caused by Plasmodium parasites.

Spleen means تلی

Explanation