Answer:
scientist can learn how the rat has evolved based on where they live. it also helps find what the common ancestor was and all the common traits they have, for example rats in Norway may be used to the cold. and the rats in africa need to adapt to the heat and the constant threat of them being eaten.
Answer:
Solidifications of molten materials.
Answer:
1. Reduce Pollutants
2. Conserve Water
3. Eat sustainable seafood
4. Don't purchase items that exploit marine life
5. Don't throw trash into the ocean
Hope this helps :)
Letter B is correct answer that what I am thinking
The correct terms to fill in the blanks would be contracts and dilates. In stressful situations, the sympathetic nervous system contracts the arteries of the circulatory system resulting to the dilation of the pupils of the eyes. Also, during these situations, the blood sugar levels are raised since the hormones for stress kick in to combat the stress which in turn raises the blood sugar.
