In a desert, soil containing a mixture of sand and small rocks is exposed to wind erosion. Over time, how would the land surface change?

What happens when the body cannot differentiate between pathogens and body cells? A. The organism will develop allergies. B. The excretory system will remove the pathogens. C. The digestive system will absorb the pathogens. D.

How do the functions of individaul cells compare with those of organisums?

Which of the following is the most accurate description of how atomic particles change in a chemical reaction? A. rearranged B. enlarged C. destroyed D. reduced in size

Which substance does not obey the Lewis octet rule? (a) N₂ (b) NO (c) CF₄ (d) Ar Can anyone explain this?

Hof metal plate at 150°C has been placed in air at room temperature. Which event would most likely take place over the next few minutes?

How does adding salt affect the surface tension of water? if it increases surface tension, will it always increase it?

Which usually has a higher temperature? A city or the areas around the city?

Toluene and pyridine form ideal solutions. Consider a solution of toluene and pyridine prepared at 25°C. Assuming that the mole fractions of toluene and pyridine in the vapor phase are equal, calculate the composition of the solution.

Formula for water what does the lack of a subscript after those O indicate

Why do the chemical properties cycle through each period? Every eighth element starting with hydrogen restarts the transition from metal to inert gas. Elements with atomic numbers which are multiples of eight start a new period.