Object Appearance
Composition
Aluminum
pans
Aluminum
Brass key
Copper and
zinc
Metal rings
Copper, silver,
and gold
Steel wool
pad
Iron and carbon
Which object represents a heterogeneous mixture?
A. Steel wool
O B. Brass key
C. Aluminum pans
D. Metal rings

Orque can be calculated by multiplying the force (n) applied at 90? to the lever arm at a distance (m) from the pivot point (point of rotation), the compound si unit for the torque is n? m. if the force (at 90? to the lever arm) applied is 15 n and it is applied at 2.0 m from the pivot point (point of rotation), what is the torque on the lever?

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant