Answer:
B.) an earthquake
Explanation:
earthquake, volcanoes, tsunamis and landslides are naturally occurring events that can rapidly change earth's surface
The youngest would be the ones at the top and the oldest would be at the bottom. the oldest is B and the ones around it, as they get bigger get younger. hope this helps :)
The three grains are rice, wheat, and corn
Rice is the main grain used in places such as Asia ans SEA, corn is mostly used in the Americas, while wheat is mostly found in European countries.
1. theyre opposite because during photosynthesis CO2 is absorbed by plants and during respiration CO2 is emitted.
2. glucose is made during photosynthesis and serves as food for every (!) animal, and animals decompose glucose to CO2 during cellular respiration.
Ok, I'm not fully sure but answer B sound right, so I think it's right