1 khẩu pháo đặt nghiêng nòng 60 độ so với mặt phẳng ngang tại mặt đất, đạn rơi nòng với tốc độ 88(m/s) xác định độ cao cực đại và tầm xa của viên đạn

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented. b)scientists had not completely finalized their results, which took 30 years. c)cigarettes were cheaply available and media channels were very inefficient. d)cigarette manufacturers were trying hard to bring an alternative into the market

What are igneous intrusions and extrusions

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.