28. How does the biosphere interact with the atmosphere to cause global warming? (1 point) O by changing the direction of warm ocean currents
O by allowing plants in equatorial regions to receive more sunlight
by producing greenhouse gases when humans burn fossil fuels
O by dissolving greenhouse gases like carbon dioxide in the oceans

What metric units would you use to measure the thickness of a key

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.