<span>achievement
</span>A test that measures a person's knowledge in a specific subject area is a(n) achievement test.
Answer: Option B
Explanation: The thin layer that forms the outer covering of the cell is known as the cell membrane. It is composed of the lipid bilayer which as embedded proteins.
This membrane is selectively permeable which means it allows only specific molecules to pass through them.
The main function of cell membrane is to protect the cell from the outer environment and by the invasion of harmful bacteria and viruses.
<span>energy from the sunlight uses electrons to make ATP.</span>
Four new haploid cells are formed once the sister chromatids within the two daughter cells separate, forming four new haploid gametes.
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.