Explosions can occur when electricity ignites explosive gases in the air, such as pure oxygen, methane, or natural gas. true or false

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit

These are the components of the reservoirs of carbon that are exchanged in our environment.