Match the hydrologic term to its definition.

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

What is the compliment dna strand to the following sequence: ttgactaggcta