Express 25° 45' in decimal (Hint: 1° = 60')
25.75o
25.55o
25.45o
25.15o
Correct answer is A
25° 45' = 25° + \(\frac{45}{60}\)°
= 25° + 0.75°
= 25.75°
The major pollutant around airport residential areas is
oil spillage
soot
noise
dust
Correct answer is C
No explanation has been provided for this answer.
Which of these values in kj/m² likely represents the energy content of the producers in a habitat?
5033
100
12
10
Correct answer is A
No explanation has been provided for this answer.
The amount of energy passed from one trophic level to the next decreases because
many organisms are present at the first trophic level
many organisms occur at the higher trophic level
more energy is conserved at lower trophic levels
parts of the organisms remain unutilized at each trophic level
Correct answer is D
No explanation has been provided for this answer.
a maximum-minimum thermometer
a hygrometer
a wet and dry bulb hygrometer
an anemometer
Correct answer is D
No explanation has been provided for this answer.