Steve is playing peekaboo with his 4 month old son. When Steve decides to hide behind the couch, his son quickly lose interest and goes back to play with his toy. why does the baby lose interest?

The tubes transporting minerals and water upward are called ?

Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide

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