Changes in the pH of soil can cause plants to die, and sulfur lowers pH in soil. Given these facts, sulfur can cause what among the following options: - Greenhouse gasses - chemical changes - Pollution - plants to die - harmful substances - tornadoes - sleepiness - lima beans
plants to die

Soil is formed by weathering, and loamy soil is the best kind of soil. Given these facts, what word can describe something formed by weathering among the following options: - Sweet - Loamy - crust - dirt - rock - Rainy - Loud - alveoli
Loamy

Q: Soil is formed by weathering, and physical weathering breaks the rock into smaller pieces. Given these facts, what is formed by breaking rock into smaller pieces among the following options: - crust - trees - soil - dirt - cracks - glaciers - water - ice
A: soil

Question: If the amount of available food and water decreases in an environment then animals may leave that environment to find food and water, and human beings are animals. Given these facts, what may leave an environment to find food and water if the amount available decreases among the following options: - bullfrogs - Lobsters - squids - omnivores - oceans - trees - humans - clouds
Answer: humans

*Question*
Asolution is formed by one substance being dissolved in another substance, and homogeneous mixtures are called solutions. Given these facts, when one substance dissolves in another, the mixture is: among the following options: - unidirectional - homogenous - It expands - Condensation - elemental - emulsion - barrel-shaped - separated
**Answer**
homogenous

(Q).
Friction causes the speed of an object to decrease, and friction creates heat. Given these facts, what can decreasing an object's speed create among the following options: - heat - death - freezing - cold - harm - pleasure - warmth - energy
(A).
heat