A. 10 B. 11 C. 12 D. 13 The solar cycle is a nearly periodic change in the Sun’s activity between the time where we can observe the most and least number of sunspots, and generally lasts around 11 years. Sometimes the surface of the Sun is very active with lots of sunspots, while other … Read more
A. Inner planets (Mercury, Venus, Earth, and Mars) B. Outer planets (Jupiter, Saturn, Uranus, and Neptune) C. Inner planets (Mercury, Venus) and outer planets (Uranus, Neptune) D. Inner planets (Earth, Mars) and outer planets (Jupiter, Saturn) The planets Mercury, Venus, Earth, and Mars, are called terrestrial because they have a compact, rocky surface like Earth’s … Read more
A. Outer planets (Jupiter, Saturn and Uranus) B. Outer planets (Jupiter, Neptune and Uranus) C. Outer planets (Jupiter and Saturn) D. Inner planets (Mercury and Earth) The four gas giants in our solar system are Neptune, Uranus, Saturn, and Jupiter. These are also called the Jovian planets. “Jovian planet” refers to the Roman god Jupiter … Read more
A. Metal B. Rock C. Both A and B D. None of the above
A. Saturn and Jupiter B. Jupiter and Neptune C. Saturn, Jupiter and Mercury D. Venus and Uranus Venus spins backwards compared to most of the other planets. It spins or rotates in the opposite direction that Earth rotates. This means that on Venus the Sun rises in the west and sets in the east. Venus … Read more
A. Gegolith B. Megolith C. Regolith D. None of the above
A. Comets B. UV light C. Meteoroids D. All of the above
A. 29 B. 30 C. 40 D. None of These NASA says that 40 countries have signed the Artemis Accords including the U.S., the U.K., Japan, Italy, Canada, and Brazil. On May 15, 2024, Lithuania became the most recent nation to sign the accords, NASA said in a statement. As of May 16, 2024, the … Read more
A. Chlorophyll B. Beta-carotene C. Lycopene D. Anthocyanin Lycopene is a type of organic pigment called a carotenoid. It is related to beta-carotene and gives some vegetables and fruits (e.g., tomatoes) a red color. Lycopene is a powerful antioxidant that might help protect cells from damage. It’s found in tomato, watermelon, red orange, pink grapefruit, … Read more
A. Increased oxygen level B. Decreases greenhouse gases C. Increased greenhouse gases D. Increased ethane level The correct answer to the question: “Burning of Fossil Fuels Results In ____________?” is “Increased greenhouse gases”.