2. on which date does the antarctic circle have 24 hours of daylight? (1 point)june 21 march 21 september 21 december 21 3. when energy is transferred to air, what happens to the particles of air? (1 point)they move slower. they move faster. they cool down. none of the above

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

Drag the labels to the correct location in the equation. not all labels will be used (1 kilometer = 1,000 meters, 1 hour = 60 minutes, 1 minute = 60 seconds) complete the steps necessary to convert 55 kilometers per hour to meters per second, min 60 1,000 15.28100 sec min 55 km 1 hour 5fhkem x 4 km] m x 1 hourin xoo1 min 1 km sec reset next