Viết 1 bài văn với chủ đề ;''truyện cổ tích -giấc mơ đẹp của người lao động

Approximately workers each year are treated for injuries caused by lifts, jacks, or jack stands. a) 2,000 b) 5,000 c) 10,000 d) 15,000

Living organism in our word are connected to other variety of ways

How do refracting telescopes magnify a far away image? a. by directing light beams to meet at a focal point b. by absorbing light beams’ wavelengths c. by forcing light beams to change direction d. by measuring light beams’ velocity