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No they take in the carbon dioxide, to produce oxygen. So they produce more oxygen in dirtier (more air containg carbon dioxide) air.

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How does plants purduce food?

Green plants are the only plants that produce oxygen and make food, which iscalled photosynthesis


What gas is a byproduct and is process plants use to make their own food?

oxygen


Does any other plants give off oxygen besides trees?

Nearly all plants, as well as algae, create oxygen. In fact, all plants and algae that make their own food from sunlight, air, and water do produce oxygen. Two my knowledge, there are only a couple of types of parasitic plants that get food from other plants, and thus do not make their own food or oxygen.


What materials are needed plants to make food?

Sunlight Carbon dioxide Water Plants need air while making food but not oxygen. Plants only need oxygen at night.


Do green plants combine oxygen and water to make food?

Nay. Green plants combine carbon dioxide, water and sunlight to make food. Fortunately for us, they excrete oxygen as a result.


In which way do all animals need plants need for survival?

All animals need plants for survival because plants make food and oxygen. we all need oxygen to breathe and the plants I'm sure you know take the carbon dioxide in the air and make it into oxygen. and as for food some animals eat leaves and plants also make food like berries that we and animals eat too. :)


What gas plants produce in the light?

Plants make oxygen when they use light and carbon dioxide to make food for themselves.


What do you call green plants in the food chain?

In the food chain, plants are producers ( because they make oxygen thru the process of photosynthesis.)


When plants make their own food they add what gas to the atmosphere?

Plants add oxygen to the atmosphere during photosynthesis or food making.


Why are plant important to life?

Plants are primary producers. They use the sun's energy to make food. Plants are the base of food energy in the world. Sun ----- plants ------- animals. Plants also use carbon dioxide from the air when they make food and the give out oxygen as a result of making food. All animals need oxygen to live.


Is oxygen given off when green plants make food?

Yes, oxygen is released as a product of photosynthesis.


Oxygen with plant life?

Plants turned carbon dioxide into oxygen during the process of photosynthesis(when the plants make food)in the chlorophyll only when there is present of sunlight.At night, plants depend on oxygen.

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