Q: What consists of two or more elements and forms as a result of a chemical reaction? Choices: - molecule - particle - protein - compound A:
compound

Q: Where is gabbro found? Choices: - volcanoes - forest floor - wetlands - oceanic crust A:
oceanic crust

Q: Q: What layer is above the mesosphere? Choices: - exosphere - stratosphere - ionosphere - thermosphere A:
A: thermosphere

Question: Q: What is the inner layer of skin called? Choices: - connective layer - hypodermis - the epidermis - the dermis A:
Answer: the dermis

*Question*
Q: What term is used to describe an immunity that occurs after exposure to an antigen either from a pathogen or a vaccination? Choices: - variation immunity - autoimmunity - herd immunity - adaptive immunity A:
**Answer**
adaptive immunity

*Question*
Q: What is responsible for the development of antibiotic-resistant strains of bacteria? Choices: - mosquitoes - flu shots - negative mutations - bacterial mutations A:
**Answer**
bacterial mutations