A Sperm attaches to an Ooctye
Answer:
Proton has a positive charge.
Neutron has a neutral or no charge.
Electron has a negative charge
Explanation:
Trust me
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.
They reproduce over the years making it less frog to survive
