You are presented with the question "what can matter vibrating cause?" and the following answer choices:  - Pollution  - energy  - Relieve pain  - kinetic energy  - wave in air  - Energy.  - murmur  - Greenhouse gases  Now knowing that matter vibrating can cause sound and thus, sound is a wave in air , choose the best answer.
wave in air


You are presented with the question "what cause the amount that lakes contain to increase" and the following answer choices:  - nutrients  - icebergs  - bacteria  - storms  - lily pads  - excretion  - flooding  - droughts  Now knowing that storms cause bodies of water to increase amount of water they contain and lakes are large bodies of inland water, choose the best answer.
storms


Q: You are presented with the question "Organisms in which class have beaks that are generally adapted for the food they eat?" and the following answer choices:  - apples  - Mammalia  - koalas  - voles  - Agnatha  - Aves  - Reptilia  - edible  Now knowing that bird beaks are generally adapted for the food they eat and all birds are placed in the Class Aves, choose the best answer.
A: Aves


Question: You are presented with the question "what provides energy for an organism?" and the following answer choices:  - oil  - fats  - soil  - sugar  - lipids  - Light  - fossils  - food  Now knowing that having food has a positive impact on an organism 's health and food provides energy and health, choose the best answer.
Answer: food


*Question*
You are presented with the question "Evolution occurs in response to what in life?" and the following answer choices:  - static events  - global warming  - that material's properties  - changing phenomenon  - major threat to health  - changing tides  - Animal survival  - isolated events  Now knowing that evolution occurs in response to a change in the environment and different environments Life is a changing phenomenon, choose the best answer.
**Answer**
changing phenomenon


Q: You are presented with the question "what is a byproduct of fossil fuels?" and the following answer choices:  - heat  - sugar  - energy  - Cars  - carbon  - bacteria  - tar  - Pollution  Now knowing that burning fossil fuels increases the carbon in the atmosphere and an inevitable byproduct of burning fossil fuels is carbon dioxide, choose the best answer.

A: carbon