Order these units from smallest to largest:
cm, um, km, mm, m,nm, dm, pm
give each a measurement in terms of meters.

Order from smallest to largest:

: 1 pm < 1 nm < 1 um < 1 mm < 1 cm < 1 dm < 1 m < 1 km.

Explanation:

m = meter

1) cm = centimeter

1 cm = 0.01 m

2) um = micrometer

1 um =

3) km = kilo meter

1 km = 1000 m

4) mm = millimeter

1 mm = 0.001 m

5) m = 1m = meter

6) nm = nano meter

1 nm =

7) dm = decimeter

1 dm = 0.1 m

8) pm = picometer

1 pm =

Order from smallest to largest:

:

: 1 pm < 1 nm < 1 um < 1 mm < 1 cm < 1 dm < 1 m < 1 km.

the answer is c.the valence of the atoms combine .

d) a person who learns about the world by observing it.

explanation:

scientist are people who discover why and how things are done and made in the world.