Quais são as principais propriedades de uma onda? Descreva cada uma delas explicando com suas palavras de que forma cada propriedade interfere na natureza das ondas. (essa resposta é grande) * me ajudem ai gente urgente :(

Explain why phospholipid molecules form a bilayer. (3 marks)

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste. the percentage of food that the united states wastes each year is %.

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above