( WHY HUMANS CAN'T LIVE OFF SUNLIGHT) The author mentions that Shine made several mistakes in her experiment. Describe one major mistake that Shine made. PLZ ANSWER QUICKLY

An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3

True or false graphs must include scales that increase by the same amount

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.