<span>That system grouped animals and plants by characteristics and relationships. Scientists looked at the characteristics that each organism had in common. They used the shared derived characteristics of organisms. Scientists were then able to find the common ancestry of the organisms.</span>
Answer:
When the stomach digests food, the carbohydrate (sugars and starches) in the food breaks down into another type of sugar, called glucose. The stomach and small intestines absorb the glucose and then release it into the bloodstream.
Explanation:
Answer: A closed circulatory system and an excretory system consisting of tubular nephridia
Explanation:
Answer:
Petroleum gas is mainly C3 and C4 based (propane and butane), whilst natural gas is predominantly C1 and C2 (methane and ethane). Petroleum gas is generally produced via the cracking of naphtha, which is one of the components separated during crude oil refining.
Explanation: