Which statements describe abiotic factors in an environment? check all that apply.

chickens run around a farm.

soil retains water and nutrients.

several rocks rest in a stream.

plants compete for sunlight in an ecosystem.

clouds create shade that changes temperatures.

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.