Bola A dan B masing-masing bermassa 10 kg dan 30 kg, akan bertumbukan seperti tertera pada gambar di atas. Jika kedua benda menyati setelah tumbukan, maka kecepatan kedua benda tersebut setelah tumbukan adalah...

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive

what are the options? add them, then i will be glad to .