Is known as the father of the big bang theory

Natural forces that can alter ecosystems include seasons and climate changes. t or f

What are similarities and differences of reflection, refraction, diffraction and absorption?

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z