Explanation

"Blew" is the past tense of "blow," which fits the sentence context.

The sentence becomes: "The wind blew strongly during the storm."

Explanation

Sputnik-1, launched by the Soviet Union in 1957, was the first artificial satellite to orbit the Earth.

It marked the beginning of the space age and the start of space exploration.

Explanation

The root stock is the bottom portion of the plant that is used for grafting.

It provides the root system and supports the scion.

The scion is the top portion of another plant that is grafted onto the root stock to grow and produce the desired fruit or flowers.

Explanation

Acids are not slippery; instead, they usually have a sour taste and can be corrosive.

Bases are the ones that feel slippery to touch.

Explanation

Dissolving sugar in water is a physical change—no new substance is formed.

The sugar can be recovered by evaporation, showing it’s not a chemical reaction.

Explanation

Diffusion is the natural movement of particles from an area of higher concentration to lower concentration without external force.

It occurs in gases, liquids, and even solids to some extent.

Explanation

Kidney stones commonly form due to excessive calcium salts in the urine, especially calcium oxalate.

High levels of calcium can crystallize and form stones, leading to kidney issues.

Explanation

Oxygen is a byproduct of photosynthesis, not a required factor for the process.

Light, carbon dioxide, and chlorophyll are essential for photosynthesis to occur.

Explanation

Double fertilization occurs in angiosperms like Brassica, where one sperm fertilizes the egg, and another fuses with the central cell to form endosperm.

Bryophytes and gymnosperms (e.g., pine).

Explanation

When current flows through a bulb, electrical energy is converted into both heat and light energy.

The filament inside the bulb heats up due to resistance (Joule heating) and emits light as a result.