Q: The sun’s energy is converted to chemical energy by a what?   Read this paragraph and choose the correct option from the provided answers:  The sun’s energy is converted to chemical energy by a plant. An animal gets energy when it eats the plant. The student gets energy when it eats the animal. The boy’s energy is used to pedal the bike.   Choices:  - bacterium  - mammal  - amphibian  - plant   A:
plant
Q: What does the presence of gill slits suggest about humans and fish?   Read this paragraph and choose the correct option from the provided answers:  Some unexpected traits can appear in animal embryos. For example, human embryos have gill slits just like fish! In fish they develop into gills, but in humans they disappear before birth. The presence of the gill slits suggests that a long time ago humans and fish shared a common ancestor.   Choices:  - Shared History  - Common Cells  - Same evolutionary chain  - common ancestor   A:
common ancestor
Q: Q: The negatively charged electrons are attracted to the positively charged what?   Read this paragraph and choose the correct option from the provided answers:     Choices:  - axon  - atom  - ion  - nucleus   A:
A: nucleus
Question: Q: Our global ecological footprint depends on resource use per person and what population factor?   Read this paragraph and choose the correct option from the provided answers:     Choices:  - population fluctuation  - population sample  - population decrease  - population density   A:
Answer: population density
*Question*
Q: What is the study of structure, properties, and interactions of matter?   Read this paragraph and choose the correct option from the provided answers:  Chemistry is the study of the structure, properties, and interactions of matter. Important concepts in chemistry include physical changes, such as water freezing, and chemical reactions, such as fireworks exploding. Chemistry concepts can answer all the questions on the left page of the notebook in Figure below . Do you know the answers?.   Choices:  - petrology  - biology  - geology  - chemistry   A:
**Answer**
chemistry
(Q).
Q: Antibiotics can be used to fight what, in general?   Read this paragraph and choose the correct option from the provided answers:  In summary, society is facing an antibiotic crisis. Some scientists believe that after years of being protected from bacterial infections by antibiotics, we may be returning to a time in which a simple bacterial infection could again devastate the human population. Researchers are working on developing new antibiotics, but few are in the drug development pipeline, and it takes many years to generate an effective and approved drug. Naimi, T. , LeDell, K. , Como-Sabetti, K. , et al. , “Comparison of community- and health care-associated methicillin-resistant Staphylococcus aureus infection,” JAMA 290 (2003): 2976-2984, doi: 10.1001/jama.290.22.2976.   Choices:  - fever  - viruses  - pathogens  - bacteria   A:
(A).

bacteria