Answer:
Compounds from different organisms are being used widely bu humans for their benefits. Some of the compounds are used as drugs. For example, penicillin is used as a drug or antibiotic. There are many plants which provides humans with other types of medicines and herbal remedies. There are other compounds which are used for cancer treatment. For example, taxol is a compound obtained from trees which are being used as anticancer drugs.
First blank space is endocrine system and the second blank is hormones
Answer:
Deposition is a constructive process.
Explanation:
A positive method relates to a mechanism requiring the creation of a single entity or element.
Sediments can be soil or rock formed. Weathered materials which are carried through sheets probably led to a forming of the shape of the soil through influences such as wind , water, gravity, etc.
Answer: Deposition
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Answer: Four pulmonary veins.
Explanation: Oxygen and nutrient rich blood will flow from the lungs back into this part called the left atrium (Or as some will call it, the left upper chamber in the heart). From there, it goes through four pulmonary veins.
Hope I could help! :)
I believe the answer is B - point source comes from a specific site, non-point comes from many sources
