Answer: It becomes more dense when it freezes.
Explanation: water becomes less dense when it freezes because ice has a cage like structure.
If they can successfully produce fertile offspring, they belong to the same species.
Answer:
seasons in Michigan and Argentina are opposites
Explanation:
The main thing that they need to remember when planning their trip is that the seasons in Michigan and Argentina are opposites. Meaning that if it is Summer in Michigan then at the same time it is Winter in Argentina. Therefore, they need to pack the right type of clothing for depending on the time of the year. If they are leaving Michigan in the winter then they need to pack summer clothes but if they are leaving in the summer then they need to pack winter clothing.
<span>The hypothalamus in the brain plays a primary role in regulating body temperature. When a person is exposed to a cold environment, the hypothalamus senses such a change, causing the body to undergo changes that conserve heat (blood vessels constrict, muscle cells contract involuntarily, a process referred to as shivering). Conversely, when one is exposes to excess heat, the hypothalamus also senses such an environmental change, and triggers physiological processes such as sweating and the dilation of blood vessels.</span>
