Climate conditions and soil types ____ to affect vegetation. For instance, moisture and warm air ____ needed to make orchids grow. Due to their white pelts, polar bears and arctic hares ____ in snowy climates. Dark clouds and high winds ____ people to changing weather. Neither a lightning strike nor a tornado ____ easy to predict.

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

自動保存: を復元しますか?