Drag the tiles to the boxes to form correct pairs. Felipe has observed some changes on his plants in his orchard. Match the type of possible nutrient deficiency that his plants must be having.
edges of leaves are scorched and
the fruits produced are impaired
roots and leaf tips of his apple trees
are turning brown
older leaves of his peach trees
are turning yellow
orange trees have slow and
stunt growth
Calcium
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Magnesium
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Phosphorus
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Potassium
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What is the best-known carbohydrate?

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.