Answer the following question given this paragraph: Biomass is the material that comes from plants and animals that were recently living. Biomass can be burned directly. This happens when you burn a log in your fireplace. For as long as humans have had fire, people have used biomass for heating and cooking. Q: What is the organic material that comes from plants and animals that were recently living called? Choices: - biofuels - contaminants - chlorophyll - biomass A:
biomass
Answer the following question given this paragraph: Q: What functions as a framework that reinforces the shape of the leaf? Choices: - the normal structure - the central structure - the stylised structure - the vascular structure A:
the vascular structure
Q: Answer the following question given this paragraph: Limnology is the study of the plants and animals that live in fresh water bodies. A lake has zones just like the ocean. The ecosystem of a lake is divided into three distinct zones ( Figure below ):. Q: What is the name for the study of the plants and animals that live in fresh water bodies ? Choices: - nematology - oceanography - hydrology - limnology A:
A: limnology
Question: Answer the following question given this paragraph: Scientists have built machines called particle accelerators. These amazing tools smash particles that are smaller than atoms into each other head-on. This creates new particles. Scientists use particle accelerators to learn about nuclear fusion in stars. They can also learn about how atoms came together in the early universe. Two well-known accelerators are SLAC, in California, and CERN, in Switzerland. Q: What amazing machines smash particles that are smaller than atoms into each other head-on? Choices: - nitrogen accelerators - observant accelerators - absorption accelerators - particle accelerators A:
Answer: particle accelerators
*Question*
Answer the following question given this paragraph: Respiration is the process in which gases are exchanged between the body and the outside air. Q: What is the main organ required for respiration in mammals? Choices: - the diaphragm - the heart - the brain - the lungs A:
**Answer**
the lungs
*Question*
Answer the following question given this paragraph: Genes are a major determinant of human skin color. However, exposure to ultraviolet radiation can increase the amount of pigment in the skin and make it appear darker. Q: Exposure to what can increase the amount of pigment in the skin and make it appear darker? Choices: - gamma rays - sunlight - nuclear radiation - ultraviolet radiation A:
**Answer**
ultraviolet radiation