The correct answer is tympanometer. A tympanometer is not used to measure hearing, but to rather measure the transmission of energy through the middle ear. In this way, tympanometry is an objective test of the function of the middle-ear. Tympanometry is used alongside other measures to asses hearing, such as pure tone audiometry.
Secondary succession is usually faster than primary succession because soil and nutrients are already present due to 'normalization' by previous pioneer species, and because roots, seeds and other biotic organisms may still be present within the substrate.
It kept saying I’m incorrect I-
Answer:
C
Explanation:
a. refers to amount of energy passed upwards to each trophic level
b. only counts number of each organism
c. counts total mass of living tissue
d. i'm not familiar with but doesn't look right
Answer:
Because its destroying our Ozone layer, we will die of UV light overdose
Explanation:
