Mandels conclusion about how traits pass from parents to offspring

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

gold is my favorite solid.

1 is the answer to this problem