Explanation

• The greenhouse effect occurs when certain gases in the atmosphere trap heat from the Sun.
• Key greenhouse gases include CO₂, CH₄ (methane), N₂O, and water vapor.
• These gases allow sunlight to enter but absorb and re-radiate infrared radiation back to Earth.
• This process warms the planet, making life possible.

Explanation

• Producers, also known as autotrophs.
• They are organisms that can produce their own food through photosynthesis, using water (H2O), carbon dioxide (CO2), and sunlight to produce glucose and oxygen.

Explanation

The blood vessels that carry oxygenated blood away from the heart to the body are called arteries

The largest artery is the aorta, which branches out into smaller arteries that distribute oxygenated blood to different parts of the body. 

Explanation

Joseph Priestly discovered oxygen on August 1, 1774.

The most abundant element in the Earth's crust is oxygen, making up 46.6% of Earth's mass

Explanation

• The great red Spot is a hurricane in Jupiter's southern hemisphere with purple-colored clouds that spin counterclockwise at wind speeds that exceed those in any hurricane on the earth.
• The excellent purple Spot has slowly changed over time, and is presently about 1.3 instances as huge as our planet.
  

Explanation

The theory describing the universe's beginning with a rapid expansion from a hot, dense state is known as the Big Bang theory

is an American television sitcom created by Chuck Lorre and Bill Prady for CBS.

It aired from September 24, 2007, to May 16, 2019

Explanation

Short-sightedness is caused due to elongation of the eyeball

 It also may result when the curve of the cornea is too steep. 

The messages sent from the retina to the brain are perceived as blurry

Explanation

• Structure of DNA was discovered by James Watson and Francis Crick in 1953.
• They discovered the double-helix structure of DNA using X-ray crystallography data.
• Their discovery revealed the double-helix structure of DNA, where two complementary strands are twisted together with sugar and phosphate molecules, and the nitrogenous bases (adenine, thymine, cytosine, and guanine) pair in a specific manner.

Explanation

The Japan Aerospace Exploration Agency is the Japanese national aerospace and space agency.