Answer:
Scientists who are concerned about increased carbon dioxide in the atmosphere believe global warming is caused by human actions.
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The one shark that's still alive after all the others died.
Less Developed Country (LDC) or Less Economically Developed Country (LEDC)
Answer:
wear a lab apron and safety goggles
Climate change has multiple effects on people and animals.
Every American is vulnerable to climate change impacts on their health at some point in their lives.
Climate change can have a range of impacts on physical, mental, and community health.
A warmer climate is expected to increase the risk of illnesses and death from extreme heat and poor air quality.
Climate change will likely increase the frequency and strength of extreme events (such as floods, droughts, and storms) that threaten human health and safety.
Climate changes may expose more people to diseases.
Some groups of people (e.g., the very young and the very old) are especially vulnerable to health impacts.