Sudhi is studying the motion of a toy car. She places the car in the middle of the ramp and releases it. which best describes the reference point in this scenario?

A: the top of the ramp

B: the bottom of the ramp

C: the ending position of the car

D: the starting position of the car

Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

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