Câu 1: (3 điểm) Kiểm tra khả năng chịu lực của dầm BTCT có tiết diện ngang HCN sau: Dầm có kích thước tiết diện 250mm*500mm và được bố trí thép như hình. Dầm được thiết kế bằng bê tông B15 với hệ số điều kiện làm việc của bê tông γb2=1, cốt thép nhóm CII với hệ số điều kiện làm việc của cốt thép γs=1.

Read the statements and determine the correct answer for each blank. microorganisms that cause diseases are known as . they thrive best between the temperatures of °f °f. because are usually around 70°f, it the growth of spoilage-causing bacteria. a)

Want free points + free brainliest? answer this drivers ed question correctly and i got you! a higher grade number for oil means it is a. heavier b. more viscous c. less viscous d. more important

Atown located beside a river derives a large percentage of its revenues each year from the local logging industry. however, heavy traffic to and from the logging sites has increased pollution and contributed to soil erosion. this has also resulted in the loss of native bird species in the logged forests. which of the following is the most sustainable solution to this problem? protecting certain forested areas to allow the birds to recover relocating the equipment and vehicles to new forests for logging relocating the birds to new forests away from the town introducing new bird species to replace the species that have been lost reducing the number of trucks traveling through the forest by 10 percent