Drag each tile to the correct box. Recreate the sequence that occurs in the carbon cycle beginning with carbon dioxide gas.
combustion
→
atmosphere
soil organic matter
+
fossil fuel
plant biomass
+
1

Four different thermometers were used to measure the temperature of a sample of pure boiling water. the measurements are recorded in the table below. thermometer temperature reading 1 temperature reading 2 temperature reading 3 w 100.1°c 99.9°c 96.9°c x 100.4°c 102.3°c 101.4°c y 90.0°c 95.2°c 98.6°c z 90.8°c 90.6°c 90.7°c the actual boiling point of pure water is 100.0°c. what can be concluded from the data about the reliability and validity of the thermometers?

20 the compound al(nh3)2 has atoms of nitrogen.

18. over time, how do sand dunes tend to migrate? a. perpendicular to the movement of the wind b. in the same direction as the wind blows c. toward the wind d. in random directions