Lava that hardens on the surface is called an extrusion. The rock layers below an extrusion are always older than the extrusion. ... There, the magma cools and hardens into a mass of igneous rock called an intrusion. An intrusion is always younger than the rock layers around and beneath it.
Try a veceroy butterfly
1. It has orange red black and white camouflage for fall leaves
2. It mimicks the poisonous monarch butterfly.
<span>3.Its color warns other predators not to eat it
</span>4. It hibernates during winter
5. It behaves like a monarch to scare off predators
4,000 species can be found around the world
Chemical energy usage in the human brain..
Nervous always passed electricals stimulation of in the brain
<span>Living things respond to stimuli in the environment.</span>
