Which area of Earth is most similar to the sun’s convection zone?

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

What is an endocrine function? (apex) a.esophageal glands release mucus into the esophagus b.salivary glands release saliva into mouth c.swear glands release sweat to the skin d.the pineal gland releases melatonin into the bloodstream

The “ecological footprint” left by a citizen of a developed nation is about four times larger than that left by a citizen of a developing nation. why is this the case?