Which of the following forces causes comets to regularly return to the inner solar system after being gone for many years? A. gravity B. friction C. electromagnetic force D. magnetism

Is the following reaction exothermic or endothermic? 2P + 5Cl2 → 2PCl5 ΔH° = - 886 kJ

How do the particle of water moves as energy passes through in a wave

Which functions must all cells perform to survive?

What is thiosulphates?

I need a device that minimizes heat transfer and how it minimizes heat transfer. ill give brainliest to the best answer.

Define "Homoglycan" and "Heteroglycan" and give an example of each

If you have 200 grams of iodine how many atoms do you have?

Sea salt is formed by natural evaporation of ocean water and contains 98% sodium chloride. The remaining 2% are natural minerals such as iron and sulfur. Consider a 84.7-g sample of sea salt.

Which element in group 15 is the strongest metallic character?

Can neptune sustain life?