Can you see how sunlight at different times of the year changes the productivity of life on land and in our oceans?

we see the sunlight at different times of the year changes the productivity of life on land and in our oceans because the rotation of the the earth is going in different moves.

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