D is correct. Cool air sinks, which forces warm air to rise.
Convection is when warm material rises and cool material sinks
Hope it helps
Carbon enters the atmosphere as carbon dioxide from respiration and combustion. Carbon dioxide is absorbed by producers to make carbohydrates in photosynthesis. Animals feed on the plant passing the carbon compounds along the food chain. ... The animals and plants eventually die.
Answer:
1. to get into certain types of iphones
2. at Disney world they have you scan your finger to get into the park
Explanation:
Digestive system started with digestion with mouth it is easy to chew as saliva present our mouth makes the solid soluble forms small it is then followed by process like ingestion , absorption and assimilation...
