You are presented with the question "What do some light bulbs convert other energy into?" and the following answer choices: - water vapor - basic building blocks of life - gasoline - light and heat energy - an electron microscope - plasma - heat or cold - hydrogen and oxygen Now knowing that some light bulbs convert electricity into light and heat energy and electrical energy is also energy, choose the best answer.
light and heat energy
(Question)
You are presented with the question "The total mass of organisms in an environmental stage is called what?" and the following answer choices: - food pyramid - extinction - ecological pyramid - food chain - vegetation - food - ligt - biomass Now knowing that biomass is the total mass of organisms at a trophic level and each stage is a trophic level, choose the best answer.
(Answer)
biomass
Ques: You are presented with the question "Concentrations of what have increased over the last decade dramatically?" and the following answer choices: - oxygen - harmful substances - light - greenhouse gases in the air - genetic diversity - Greenhouse gasses - basic building blocks of life - ozone Now knowing that carbon dioxide concentrations in the air have increased over the last decade dramatically and carbon dioxide is a greenhouse gas, choose the best answer.
Ans: greenhouse gases in the air
(Q).
You are presented with the question "what does coal release?" and the following answer choices: - heat - fire - steam - carbon - toxins - oxygen - fossil - smoke Now knowing that coal is used for generating heat by burning and chemical energy stored in coal is released as heat energy when the coal is burned, choose the best answer.
(A).
heat
Ques:You are presented with the question "What happens when Earthworms ingest sediment and extract food particles?" and the following answer choices: - The soil is unhealthy - Plant growth is reduced - heat produced - major threat to health - The earthworm reproduces - competing for resources - The earthworm dies - The soil is enriched Now knowing that earthworms are important deposit feeders that help form and enrich soil and deposit feeders ingest sediment and extract food particles, choose the best answer.

Ans:The soil is enriched
You are presented with the question "Sand can be formed by which process?" and the following answer choices: - Continents drifting - mechanical waves - Photosynthesis - Sand Casting - movement of tectonic plates - Cellular Respiration - evaporation - Mechanical Weathering Now knowing that the surface of a beach is formed by mechanical weathering and most beaches are of white coral sand, choose the best answer.
Mechanical Weathering