redpanda626
redpanda626 redpanda626
  • 02-10-2020
  • Physics
contestada

HELPPPP!!!!!
The air we breathe is a(n) _____.

A. compound
B. mixture
C. element
D. alloy

Respuesta :

adilahussain1
adilahussain1 adilahussain1
  • 02-10-2020
Oxygen - element
carbon dioxide - compound
Answer Link

Otras preguntas

Which subatomic particle will be attracted by a positively charged object? (1) proton (3) electron (2) neutron (4) positron
What can be concluded if an ion of an element is smaller than an atom of the same element? (1) The ion is negatively charged because it has fewer electrons than
Maria walked 3 km west and 4 km south . calculate how far she is from her starting point.
which sentence contains a mixed compound subject? A) All of the toys were scattered across the floor. B) Leticia and her cousins spent the day at the lake. C) A
An atom of potassium-37 and an atom of potassium-42 differ in their total number of (1) electrons (3) protons (2) neutrons (4) positrons
what is the name of the large inland body of water bordered by Iran, Azerbaijan , Russia , Kazakhstan , and Turkmenistan
the aggressive preparation of war, was growing along with nations armies
What is the percent composition by mass of nitrogen in NH4NO3 (gram-formula mass = 80.0 grams/mole)? (1) 17.5% (3) 52.5% (2) 35.0% (4) 60.0%
it took jayla 40 seconds to rip half a DVD. what is jaylas ripping rate in DVDs per minute?
what is an equivalent decimal to 9/15