Answer: In 1858, Pasteur filtered air through a gun-cotton filter and, upon microscopic examination of the cotton, found it full of microorganisms.
I hope this helped!
Reusing or sharing needles, really anything that can be spread through blood and drugs.. i hope this helps and sorry its so brief.
Answer:
Female disorder:
Polycystic ovary syndrome: It is a condition in which the ovaries dysfunction occurs and the egg is not able to be released from the ovaries in a normal manner. This condition is caused due to several hormonal changes.
Male disorder:
Over heated testicles: Due to undescended testicles, the sperms are not produced correctly and hence cannot perform their function. Such conditions lead to Immobile sperms. Hence, leading to infertility.
Answer: C teachers must stay humble and modest regardless of their achievements Explanation: students are hesitant to approach teachers with their doubts so if teachers remain humble then the students will be more likely to come to them with their queries and doubts.
Answer:
nervous system
Explanation:
dude to the poor decision making and the addiction, that can affect your nervous system
