The graph below shows the composition of the air we breathe. Which of the following statements correctly classified the air we breathe?
A. The air we breathe is an element because it is made of pure substances
B. The air we breathe is a compound because it is made of different pure substances.
C. The air we breathe is a heterogeneous mixture because it had visibly different substances and phases.
D. The air we breathe is a homogeneous mixture because it has substances but the same appearance throughout.
Answers: 3
Physics, 21.06.2019 19:30
Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?
Answers: 3
Physics, 21.06.2019 23:30
Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle
Answers: 1
Physics, 22.06.2019 00:20
Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant
Answers: 2
Physics, 22.06.2019 00:30
There are weak or strong attractive forces between atoms of liquids with a high viscosity
Answers: 3
The graph below shows the composition of the air we breathe. Which of the following statements corre...
Advanced Placement (AP), 01.03.2021 22:40
Mathematics, 01.03.2021 22:40
Mathematics, 01.03.2021 22:40
Mathematics, 01.03.2021 22:40
Mathematics, 01.03.2021 22:40
Business, 01.03.2021 22:40
Chemistry, 01.03.2021 22:40
Mathematics, 01.03.2021 22:40
Mathematics, 01.03.2021 22:40
History, 01.03.2021 22:40
Advanced Placement (AP), 01.03.2021 22:40