Answer:
The correct answer is - A physical change.
Explanation:
Physical change is the change in the physical properties of the substances such as mass, shape or size, volume, density, and others. If there is any change occur in such properties of the substances. If you break a piece of glass the shape of the glass changes occurs, however, the properties remain the same.
Thus, the correct answer is - A physical change.
Answer:
The correct answer is option A: "The desert was once a vast ocean".
Explanation:
One of the most prominent fish fossils that were found in the arid deserts of western Egypt belong to the Giant Catfish named <em>Qarmoutus hitanensis</em>, that lived roughly 37 million years ago as it was scientifically determined. The presence of this and other related fossils indicate that the desert was once a vast ocean. Actually, the arid landscape of this zone has been named Wadi Al-Hitan (which means Valley of the Whales) in honor to its past.
Answer:
C. Carbon dioxide
Explanation:
Photosynthesis Equation: 6CO₂ + 6H₂O + Light → C₆H₁₂O₆ + 6O₂
In order to make sugar and oxygen, we need carbon dioxide, water, and light.
Therefore, A, B, and D are incorrect. We are left with C.
Answer:Climate change causes forest fuels (the organic matter that burns and spreads wildfire) ... percent of U.S. wildfires are caused by people—warmer temperatures and drier conditions ... See a map of billion-dollar extreme weather disasters here.
Missing: arsonist | Must include: arsonist
Explanation:
Insulin(humulin), somatostatin, interleukine, Penicillin etc