I don’t understand the question
Answer:
The HWA attacks eastern hemlock trees in forests and ornamental hemlock trees found in our residential landscaping. It feeds on the hemlock trees' young twigs by sucking the sap, causing their buds to die and needles to dry out and drop from the plant prematurely i think
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Answer:
HNO2
Explanation:
Because H2CO3 is a weak acid in CH3COOH
Answer:
Shorter waves vibrate at higher frequencies and have higher energies. Red light has a frequency of around 430 terahertz, while blue's frequency is closer to 750 terahertz. Red photons of light carry about 1.8 electron volts (eV) of energy, while each blue photon transmits about 3.1 eV.
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