A stone is thrown upward with velocity 72 km/hr. if air resistance is neglected, find the maximum height travelled by it and the time taken for it to return to the initial position.​

What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.

What is the most important inorganic material for livings things? ! due tomorrow!

How does the structure of dna hold the information needed to code for the many features of multicellular organisms?