1. In spring Liza has to weed in the garden.2. My friends have to tidy their rooms. 3. Every day I have to take the rubbish out. МОЛЮ ВАС

In summary, an ecosystem is any community of living and non-living things that work together. Biotic factors are all of the living organisms within an ecosystem. These may be plants, animals, fungi, and any other living things. Abiotic factors are all of the non-living things in an ecosystem.AugTemperature has a direct effect on whether a substance exists as a solid, liquid or gas. Generally, increasing the temperature turns solids into liquids and liquids into gases; reducing it turns gases into liquids and liquids into solids.

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Тут написано про ворону.

A crow is a common black bird that found everywhere. It has brown eyes, black legs, and a short tail. It eats fruits, grain, insects, warms and flesh. It has very harsh voice. It caws loudly. The common crow may usually live for about 7 years, although some have lived as long as 14 years in the wild. Moreover, they prove to be very useful when it comes to controlling pests that destroy crops. There are various myths associated with crows. They are depicted in various forms in different cultures