You are presented with the question "What usually changes in the autumn season?" and the following answer choices: - Something that can be auburn - looseness of dirt or compost - the looseness of soil - the color of leaves on oaks - a hemisphere is tilted away from the sun - Warm air moving into cold air - the male sex cells of plants - The bending of a ray of light Now knowing that the color of leaves on deciduous trees usually changes in the autumn season and deciduous trees are Oak, Elm, Ash, Maple, and Birch, choose the best answer.
the color of leaves on oaks
(Question)
You are presented with the question "What has a positive impact on an ecosystem?" and the following answer choices: - mussels - hurricanes - invasive species - Frogs - stay warm - animals - wildfires - oxygen Now knowing that planting trees has a positive impact on an ecosystem and trees produce oxygen, choose the best answer.
(Answer)
oxygen
Ques: You are presented with the question "What is released during the use of fossil fuels that causes climatic oscillation and bad weather?" and the following answer choices: - coal - solutes - gases - acidity - storms - heat - air - weather Now knowing that gases released during the use of fossil fuels causes global warming and global warming causes climatic oscillation and bad weather, choose the best answer.
Ans: gases
(Q).
You are presented with the question "What do echinoderms use to communicate?" and the following answer choices: - vision - words - sound - Light - waves - Acids - language - scent Now knowing that echinoderms use pheromones to communicate with each other and scent marks contain molecules called pheromones, choose the best answer.
(A).
scent
Ques:You are presented with the question "what makes sand formations?" and the following answer choices: - potash - wind - fibers - fish - Rain - sea - soils - coral Now knowing that the surface of a beach is formed by mechanical weathering and beaches and Sand Dunes Dunes are accumulations of sand blown from the beach by the wind, choose the best answer.

Ans:wind
You are presented with the question "Echidnas reproduce how?" and the following answer choices: - asexually - by indirect light - spread flower seeds - during the day - by birthing live young - by laying eggs - by budding - with their fur Now knowing that monotremes are mammals that reproduce by laying eggs and examples of monotremes are the Platypus and Echidna, choose the best answer.
by laying eggs