Explanation:
1 dm3 is a cube with dimension 1 deci meter
Answer:
they are in the correct order
Explanation:
conduct an experiment
observe
make conclusions
Answer:
A burning candle is extinguished when it is covered with a jar.
Explanation:
the candle extinguishes because there is no oxygen in the empty jar
the candle burns longer in a jar with a plant because thye plant gives out o2 and o2 is a supporter of combustion.
the plant also lives longer because the candle gives out co2 after combustion which the plant uses co2 for photosynthesis.
Answer:
Down, sea urchins eat kelp and clip the bottoms stopping kelp from regrowing.
Explanation:
