Answer the following question given this paragraph: Flickr:futureatlas. com (http://futureatlas. com/blog/). Human activities like burning gasoline in cars are contributing to a global change in our climate . CC BY 2.0. Q: Burning gas to run our cars is an example of how human activity is contributing to what global event? Choices: - ozone change - carbon change - metamorphic change - climate change A:
climate change

Answer the following question given this paragraph: Q: What structures on the gastrodermal cells keep the contents of the gastrovascular cavity agitated and help distribute nutrients? Choices: - telomeres - sporangia - nucleus - flagella A:
flagella

Answer the following question given this paragraph: An allergy occurs when the immune system attacks a harmless substance that enters the body from the outside. A substance that causes an allergy is called an allergen. It is the immune system, not the allergen, that causes the symptoms of an allergy. Q: What occurs when the immune system attacks a harmless substance that enters the body from the outside? Choices: - panic attack - nausea - plague - allergy A:
allergy