Neptune is approximately 30 Astronomical Units (AU) away from the Sun. If you decided to create a scale model of the solar syste
m where "Earth" was placed 2cm away from the "Sun," about how far away from the "Sun" would "Neptune" need to be placed in order for the model to be correctly to scale? a.30cm
b.60cm
c.75cm
d.150cm
Anaerobic respiration can be sustained for short periods of time because you aren’t using oxygen. We need oxygen in our body to work our muscles and pump our heart.