Which diagram models a hypothetical situation in which every location on earth would have 12 hours of daylight and 12 hours of darkness per day? A: Earth orbits the sun in less than 365 days

B: Earth’s orbit is a perfect circle

C: Earth does not tilt on its axis

D: Earth has two moons

Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations.  in what way do laboratory experiments primarily differ from other forms of scientific investigations?   a.  a laboratory experiment is the only accepted form of investigation within the scientific community.  b.  studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments.  c.  laboratory experiments involve the identification and control of variables.  d.  data can only be generated through laboratory experiments, not other forms of investigation.

Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?

Aregular polygon has angkes of size 150° each.how many side has the polygon