Explanation

When outside temperatures are low and there is moisture in the air, small ice crystals are formed.

On their own they are tiny, but when they collide they stick to each other and make snowflakes.

When lots of these particles join together they get heavier and once they are heavy enough they fall to the ground as snow.

Explanation

• Dentist mirrors are typically concave mirrors.

• Rear-view mirrors
• Blind Corner mirrors 
• Security mirrors

Explanation

• Apollo 17 was the manned spacecraft that took humans to the moon.
• Apollo 17 was the sixth and final Apollo mission to land on the Moon.
• It was crewed by astronauts Eugene Cernan, Ronald Evans, and Harrison Schmitt.

Explanation

Explanation

• A plane mirror produces a virtual image, meaning it's not a real image that can be projected onto a screen.
• The image is also upright, meaning it's not inverted or flipped.

Explanation

A decomposition reaction involves a single compound breaking down into simpler substances.

AB → A + B is the correct format for decomposition.

Explanation

• Chloroplasts are organelles found in plant cells.
• Animal cells do not have chloroplasts.
• That's why chloroplast is a major difference between animal and plant cells.

Explanation

• Pollen grains are microscopic structures located in the Anther.
• It is the pollen-producing part of the Stamen (the male reproductive organ of a flower).

Explanation

Explanation

• The wavelength of a transverse wave is the distance between two adjacent crests or troughs.
• It is a fundamental property of waves.
• It is typically denoted by the symbol λ (lambda).