Many particles, such as dust, are inhaled when people breathe. Which part of the respiratory system filters out the majority of these particles?
A. Nose
B. Alveoli
C. Trachea
D. Diaphragm

A: Nose

Explanation:

Because your nose has mucus covered hairs that catch some of the dust particles that you inhale.

c. 7/3

step-by-step explanation:

a rational number is like pi- it is a repeating decimal.

a. is -1.8

b. 2.236068

c. 2.3333333333333333333

d.   is 3

i hope that ! =)

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer