Answer:
+3
Vanadium has 5 valence electrons that can be lost. One of the characteristics of transition metal is their ability to adopt multiple oxidation states. Vanadium exhibits four common oxidation states +5, +4, +3, and +2 each of which can be distinguished by its color
Active listening is in taking the information from your ears and remembering it. (also helps with mutual understanding) It is used by parents to show their children a good example and to also remember what the person said. (Helps speaker feels that they are being listened to.)
Answer:The answer is introduction stage
Explanation:
The product life cycle is a very important principle that every businessman and woman must be aware of if they want to continue the business..it is a principle which states that every product has a life span of useful existence. The product life cycle is made up of the following stages
Introduction stage: This is the stage of introducing the product into the market, it includes the stages of conducting research about the product to be introduced into the market,it also includes the investment of substantial resources with a view to yield returns on their investment in the future.
The growth stage: This is the stage of the acceptability of the product in the market by consumers. It is measured by the increasing sales of the product in the market .
Maturity stage: This is the stage of in which the product has become established and competitors have entered the market with similar products even with more improvement on their product.
Decline stage: This is when the stage has reach the saturated point. At this point the demand for the product in the market has become saturated as a result of the activities of the competitors in the market.
Histamine is the active amine responsible for the signs and symptoms encountered in an allergic reaction.
The outward signs of an allergic reaction are caused by histamine. This includes signs including a runny nose, wheezing, and swollen tissues. Mast cells release histamine during an allergic reaction, which causes allergy symptoms. Antihistamines attempt to halt the allergic reaction by blocking histamine activity.
Histamine is a significant cause of allergy illness and is primarily stored in mast cells and basophils. Histamine levels in the blood or tissues have been found to be higher during anaphylaxis and in animal models of allergic reactions to the skin, lungs, and nose.
To know more about Histamine here
brainly.com/question/1217609?referrer=searchResults
#SPJ4
