Answer:
The forestry department is using a<u> 1. </u><em><u>chemical method</u></em><u>.</u> This involves using a 2. <em><u>foliar spray</u></em> method, in which department personnel will spray directly on trees' leaves.
Explanation:
- White pine blister is a fungal disease of plant caused by fungus <em>Cronartium ribicola.</em>
- This fungus infects the plant through the stomata of the leaves.
- There are several methods of controlling pests and pathogen in agriculture which include ; mechanical methods; chemical methods and Biological methods.
- Mechanical methods include constructing barriers, electrical fencing etc.
- The biological method include introduction of organisms that will suppress pathogen activity.
- Chemical methods include use of pesticides , that are poisonous chemical substance that will kill the pathogen.
- Here the forestry department decides to spray insecticides thus, they are using a chemical method.
- Secondly they are going to spray the insecticide on each leaf so they have chosen the method of foliar spray and not the cut stump treatment or basal bark method.
Answer:
The steroid hormones cortisol and corticosterone are released by the Adrenals in response to the hormone ACTH from the Hypothalamus.
Hypothalamus
pituitary gland
thyroid
parathyroids
adrenal glands
pineal body
reproductive glands (which include the ovaries and testes)
pancreas.
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Circulatory system and respiratory system
This is answer...
One is A
Two is C
Three is A
Four is B
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