Discover Questions

Speaking of the planet Mars, what made the Red Planet itself so 'Red'? Is memorizing words, or numbers for a memory test (ex; memorize 20 words and write them down) short or long-term memory? What is the difference between a basis, subset, and subspace in linear algebra? When given the equations x-y=-1, 2y-x=27, x+y =11 how would you use row echelon form to get to the answer (5,6)? How to answer the question of material selection process of water bottle?