Which statement describes clean air as a natural resource? select three options.
clean...
Physics, 26.10.2019 15:43 amanda2517
Which statement describes clean air as a natural resource? select three options.
clean air is essential for health and survival.
clean air provides nitrogen gas for plant respiration.
clean air is where high levels of ultrafine particles circulate.
clean air reduces risk of illnesses and other health problems.
clean air supplies oxygen that enables living organisms to breathe.
Answers: 1
Another question on Physics
Physics, 21.06.2019 23:10
A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m
Answers: 1
Physics, 22.06.2019 08:40
Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?
Answers: 1
Physics, 22.06.2019 10:30
Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.
Answers: 3
You know the right answer?
Questions
Mathematics, 29.07.2019 10:00
Social Studies, 29.07.2019 10:00
Mathematics, 29.07.2019 10:00
Social Studies, 29.07.2019 10:00
English, 29.07.2019 10:00
History, 29.07.2019 10:00
Physics, 29.07.2019 10:00
Mathematics, 29.07.2019 10:00
Advanced Placement (AP), 29.07.2019 10:00
World Languages, 29.07.2019 10:00
Mathematics, 29.07.2019 10:00
Advanced Placement (AP), 29.07.2019 10:00
