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because of they poisunois plants
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How do viroids harm the plants that are infected with them?
the viroids harm the plants that are ifected with them by giving the plants some harmful thing
What are the harmful and useful effects of precipitation?
they harm the plants
How is protozoa harm to humans?
protozoa can cause harmful diseases and effect plants life.
How plant harm us?
they become harmful to us at night when they exhale carbondioxide
What are the other harmful plants in the Philippines that can cause harm to people and animals?
Makahiya because it has small thorns
How are the use of fertilizers and pesticides harmful to soil?
they leave chemicals in the soil that can harm the soil and can even cause harm to near plants and disease to some animals
Is Naphthalene harmful to plants?
Yes ,it is . As we all know that naphthalene is a subliming substance so it when changes to gaseous state it mixes with air and cause harm to the plants.
How can plants harm people?
Most plants are not harmful. The only plants that might be harmful are thorned plants or weeds. Weeds ruin gardens, while thorned plants ruin people's skin.
Harmful insects how do they harm the plants?
Insects harm trees by leaving their harmful bacteria which can spoil tree's branch or leaves and some insects are also capable in making whole into the tree's branch.Some insects like termite can spoil trees by eating their wooden branches.
How will the hole in the ozone layer of Antarctica harm human beings plants animal?
some harmful radiations reach to earth and can damage skin of human beings and plants
How burning can be harmful?
Burning is harmful because : 1-If the fire gets out of control, it can harm us and our homes. 2-Carbondioxide comes out of the fire which is harmful for our health and our environment. Anonymous
How the use of chemical fertilizers can be harmful?
Well, chemicals can harm you if you eat your plants, it can seep into ground water and contaminate drinking water, and can, if you use too much, kill plants.
