Shelter is used for protection by animals against weather, and caves or rock overhangs provide shelter. Given these facts, what do animals find protection from when using rock overhangs among the following options: - sun's heat - insects - weather - erosion - rivers - bats - wind - the sun
weather

Changes in the pH of soil can cause plants to die, and sulfur lowers pH in soil. Given these facts, what can cause plants to die among the following options: - Planting flowers - Winter - Pollution - Condensation - Photosynthesis - Sulfur - coal - bacteria
Sulfur

Q: An electron microscope is used for seeing very small objects by making them appear bigger, and magnification by a microscope increases the apparent size of an object. Given these facts, an electron microscope is used for seeing things what among the following options: - dying - an image - Light - growing - magnified - tiny polyps - smaller - photons
A: magnified

Question: Glucose is used for energy by the cells of most organisms, and glucose All sugars get converted to glucose in the blood. Given these facts, what is used for energy by cells among the following options: - Converted sugar - sunlight - electricity - Extracted blood - fur and fat - Converted salt - layers of fat - Inhaled oxygen
Answer: Converted sugar

*Question*
Reproduction is the process by which living things give rise to offspring, and sex equals reproduction. Given these facts, what is the process by which living things give rise to offspring among the following options: - sex - diploid - ovum - bird - ovary - eggs - gametes - DNA
**Answer**
sex

*Question*
Animals can communicate with sounds, chemicals, or visual cues, and perception of sound Sound is a wave. Given these facts, animals communicate through what among the following options: - chemicals - A wave - fur - nerves - A vacuum - A telephone - A particle - Movement
**Answer**
A wave