Plz ! will mark as contemporary arrangements are usually a. composed of many materials. b. placed in massive vases. c. uncluttered. d. full.

Aluminum–lithium (al-li) alloys have been developed by the aircraft industry to reduce the weight and improve the performance of its aircraft. a commercial aircraft skin material having a density of 2.47 g/cm3 is desired. compute the concentration of li (in wt%) that is required.

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

Why is retrograde motion an apparent motion