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plants are in the same family as the tree.both take in carbon dioxide and give bak out oxygen,oxygen is the air that we need to breath.there are no plants on mars so there for there is no oxygen.that is why we need plants.to breath.

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14y ago
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15y ago

So they don't die. Plants need nutrition because they don't die. Water, Soil,Oxygen and Sunlight are the source of nutrition for Plants. Plants making their food in the presence of sunlight called Photosynthesis.

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Q: Why do we need plants?
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Related questions

Why does the sun need plants?

the sun doesn't need plants, plants need the sun.


Do you need water to grow plants?

Plants need water to make glucose. Glucose is a sugary substance that plants make. Glucose is the food that plants need to live. So yes, plants do need water.


Do plants need sugar?

Plants need and produce carbohydrates.


What plants do not need to be watered and does not need roots?

Alll plants need to be watered and need roots..


Why do plants need air?

Plants need are so that they can take it in and use it for photosythesis.


What do plants need that animals do not specifically need?

Plants need sunlight to conduct photosynthesis.


Do plants need carbon monoxide?

No, plants need carbon dioxide.


Why do plants and animals need different things?

Plants and animals need different things because they have different needs. Plants need sunlight because they make their own food and animals need plants.


Why do use need plants?

Plants need us because when we exhale we breathe out carbon dioxide which plants need for a process called "photosynthesis".


Do plants need sodium to grow?

No, plants do not need sodium to grow. They need protein to grow.


Why do animals need plants and why do plants need animals?

animals need plants because animals like deer depend on plants like grass(to eat). and plants need animals because if the animals did not eat the plants then the plants would become an invasive species. and then it would be hard to take back, or exterminate the plant.


What do plants need that animals don't need to live?

we humans need oxygen but plants dont need oxygen in general.they need co2 carbon dioxide we need happiness for our mind...rest...entertaiment... money Plants dont need happiness ..rest...entertainment and money.. all plants need is light water CO2. we need sex plants dont need sex plants usually have asexual(non sexual)reproduction ...just wind ,bee,fly,will do the pollination for plants. By Meehernosh Haidary