IN A FIELD EXPERIMENT, THE FREQUENCY OF WATER LEAF WAS OBSERVED TO BE 48 AFTER 20 TOSSES OF A 2m^2 QUADRAT. WHAT IS THE DENSITY OF THE PLANTS IN THE FIELD
A. 1.2 per m2 ✓ B. 2.4 per m2 C. 4.8 per m2 D. 9.6 per m2 The answer to the question is: A. 1.2 per m2 Calculating Plant Density To calculate the density of the plants in the field, we can use the…
A QUANTITY OF WATER AT 0 °C IS HEATED TO 30 °C. FOR EACH DEGREE RISE IN TEMPERATURE, ITS DENSITY WILL
A. rise steadily B. fall steadily ✓ C. fall and then rises D. rise and then falls The answer to the question is: B. fall steadily When a quantity of water at 0 °C is heated to 30 °C, its density will decrease. This…
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