An aluminum rod and a nickel rod are both 5.00 m long at 20.0° C. The temperature of each is raised to 70.0°. What is the difference in length between the two rods?

What is hidden during a lunar eclipse? isn't the moon hidden?

Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations.  in what way do laboratory experiments primarily differ from other forms of scientific investigations?   a.  a laboratory experiment is the only accepted form of investigation within the scientific community.  b.  studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments.  c.  laboratory experiments involve the identification and control of variables.  d.  data can only be generated through laboratory experiments, not other forms of investigation.

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?