True or false? The occupational safety and health act of 1970 requires employers to educate employees annually on the hazards they may face in their workplace.

How many calories in food

Answer///(d) atoms contain small,negatively charged particles;

Year  1936,  lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.