The observed a value for the diameter of a Hydrogen atom is 10.1 nm and the accepted value for this is 10 nm. Was you observation accurate? A. No but it was precise.
B. Yes, the measurement was very close to the actual value.
C. Not enough information.
D. No not at all it was much smaller.

the focus of lesson 1 is newton's first law of motion - sometimes referred to as the law of inertia. newton's first law of motion is often stated as. an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

explanation:

i think they are all correct

explanation:

they seem good