Which examples show matter moving from a living part to another living part in an ecosystem? Choose all that apply:

An animal eating another animal and getting substances with nitrogen from it.

Plants taking in carbon dioxide from the air and changing it to other substances.

An animal eating a plant and getting substances with carbon from it.

Bacteria taking nitrogen gas from the air and changing it to other substances.

An animal eating another animal and getting substances with nitrogen from it.

Plants taking in carbon dioxide from the air and changing it to other substances.

An animal eating a plant and getting substances with carbon from it.

Bacteria taking nitrogen gas from the air and changing it to other substances.

Explanation:

this is the answer

b.

developed countries have tended to improve the environment, while developing countries have tended to damage it.

ń, wǒ shuō yīngyǔ, dàn wǒ huì shuō qítā yǔyán, rú xībānyá yǔ fǎyǔ yìdàlì yǔ hé pǔtōnghuà, suǒyǐ bùyào pànduàn, dànshì