You are presented with the question "Woodlands benefit from what?" and the following answer choices: - planting trees - nutrients - deforestation - lowered energy cost - food and shelter - rainforest - genetic diversity - urban sprawl Now knowing that planting trees has a positive impact on an ecosystem and knowledge of woodland ecosystems is advantageous, choose the best answer.
planting trees
You are presented with the question "what uses cellulose for their cell walls?" and the following answer choices: - cactus - Oak - Conifers - Trees - h2o - flowers - insects - humans Now knowing that plants use cellulose for their cell walls and vegetation includes shrubs and cactus plants, choose the best answer.
cactus
Q: You are presented with the question "What does blood in the veins have a lot of?" and the following answer choices: - Carbon dioxide - Carbon monoxide - h2o - Energy. - Air - kinetic energy - Decibels - Chemical energy Now knowing that veins generally carry deoxygenated blood and deoxygenated blood is heavy with carbon dioxide, choose the best answer.
A: Carbon dioxide
Question: You are presented with the question "What do animals feel when threatened?" and the following answer choices: - cold - negative - Sadness - Warmth - Stress - Calmness - deadly - influenza Now knowing that threatening behavior causes a fight-or-flight response in animals and stress triggers the fight or flight response within the body, choose the best answer.
Answer: Stress
*Question*
You are presented with the question "what can cause burns?" and the following answer choices: - epidermis and dermis - Pesticides - Males and females - rays or beams - fossil fuels - Electrical energy - thermal expansion - harmful substances Now knowing that increasing heat causes thermal expansion and thermal burns are caused by exposure to heat, choose the best answer.
**Answer**
thermal expansion
Q: You are presented with the question "What converts food into electrical energy?" and the following answer choices: - transportation technology - windmills - matter vibrating - solar panels - adding heat - one celled organisms - microbial fuel cells - dams Now knowing that microbial fuel cells convert chemical energy into electrical energy and food is chemical energy, choose the best answer.
A: microbial fuel cells