The correct answer that would best fit the given statement above would be option D. The concept model is the most recognized model for explaining how concepts are formed. The conceptual model serves as a representation which is made of the concepts in order to assist the audience to know, understand and simulate a subject that the model represents.
Answer: D
Explanation: it’s obvious tress give off oxygen!
Answer:
The meaning of guns and butter is an economic policy choice of whether a nation is increasingly keen on burning through cash on war or taking care of its people.
trade-off: If you put more cash toward weapons then you are surrendering another advantage which is a trade-off.
opportunity costs: As an economy delivers more weapons (military spending) it must diminish its creation of bread and butter (food), and the other way around.
Fruits ripen after being picked by spraying or injecting the fruits with hormones.
Ripening is only hastened in climacteric fruits (ie.apples, pears, tomatoes). The fruits continue to ripen mostly due to hormone named ethylene gas.
ANSWER: D) by spraying or injecting the fruits with hormones.
Hope this helps! :)