You are presented with the question "Pneumonia may be caused by an infection or what?" and the following answer choices: - smoke inhalation - Veins and arteries. - deadly and devastating - breathing deeply - clean air - expanding organs - the body's largest organ - Damages them Now knowing that pneumonia may be caused by an infection or injury of the lungs and smoke inhalation and thermal lung injury cause direct lung injury, choose the best answer.
smoke inhalation
You are presented with the question "What does not change mass?" and the following answer choices: - an object - gravity - density - bullfrogs - Energy. - blastoids - melting - volume Now knowing that phase changes do not change mass and melting is a phase change, choose the best answer.
melting
Q: You are presented with the question "What do many corals secrete that build up to become a coral reef?" and the following answer choices: - an external framework - The area was once underwater - that material's properties - bioaerosols - water - dust - after too much water received - oxygen Now knowing that many corals secrete an exoskeleton that builds up to become a coral reef and an exoskeleton is an external framework, choose the best answer.
A: an external framework
Question: You are presented with the question "What do mammals use their body hair or fur to conserve?" and the following answer choices: - food - energy - warm - warmth - strength - sunlight - water - health Now knowing that mammals conserve body heat with their hair or fur and heat is emitted energy, choose the best answer.
Answer: energy
*Question*
You are presented with the question "Fertilization occurs when _ fuse." and the following answer choices: - fertile - sperm ducts - heat - eggs - seeds - gametes - pollen - ovaries Now knowing that fertilization occurs when a sperm and an egg fuse and sperm and eggs are cells known as gametes, choose the best answer.
**Answer**
gametes
Q: You are presented with the question "what is a cactus stem used for storing?" and the following answer choices: - H20 - carbon monoxide - CO2 - vinegar - rain - O2 - sunlight - h2o Now knowing that acactus stem is used for storing water and water is made up of H2O molecules, choose the best answer.
A: h2o