7. List two types of thank-you letter formats and specify when a thank-you letter should be sent.

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

Berikan satu kepentingan terhadap komposisi udara di atmosfera bumi

Arecipe calls for 2 cups of flour to make a cake. you look in the stock room and see a bag of flour that has a tag that says this bag contains 25 cups of flour. how many complete cakes could you make from this bag of flour?