Which step in the scientific method requires you to use your senses to obtain information?
1 answer:
Answer:
The answer is Observation.
For you to observe the things around you then you need to use all your sense organs....
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Answer:
Heating a substance increases the speed at which molecules move.
Explanation:
1. Has 4 sig figs, all non zeros are significant
2. 3 sig figs trailing zero after a decimal
3. 3 sig figs
Answer:
the following in order:
1) conifer
2) gnetophyte
3) ginkgo
4) cycad
Explanation:
Particles as small as atoms exist.
Answer:
139.98 g to nearest hundredth.
Explanation:
Using Avogadro's Number:
One mole (167.26 g) of Erbium equates to 6.022141 * 10^23 atoms.
So 5.04 * 10^23 = 167.26 * 5.04/6.022141
= 139,98 g.
