Chemistry, 26.04.2021 23:00 juliaduenkelsbu
NEED ANSWERS ASAP!!! 20 POINTS IF YOU ANSWER ALL QUESTIONS(NO LINKS, SPAMMING OR GUESSING)
What is the name of flower part #10?
Captionless Image
sepal
pollen tube
filament
Stigma
Renewable energy resources are?
A resource that cannot be readily replaced by natural means on a level equal to its use.
Invisible resources
Renewable resources that can be naturally restored.
All the above
To produce perfumes for Man
This is energy that is stored for later use.
kinetic energy
potential energy
mechanical energy
electromagnetic energy.
When fertilization has occurred the fertilized ovule changes and so does the ovary. What do they turn into?
The fertilized ovule turns into the fruit and the ovary turns into the seed.
The ovule grows bigger and the ovary withers.
The fertilized ovule turns into a seed and the ovary turns into the fruit or pod.
The fertilized ovule turns into honey and the ovary turns into nectar.
What is energy?
1 point
moving energy
stored energy
renewable energy
The ability to do work.
Wind-pollinated flowers usually have and petals.
1 point
big ... bright
small bright
big ... dull
small ... dull
What is the function of nectar?
To provide food for the flower
To attract pollinators
To attract animals to disperse the fruits
Which of the following devices transforms electrical energy into mechanical energy?
1 point
An e-reader
a fan
a manual pencil sharpener
iPod
Answers: 3
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In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j
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You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use
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NEED ANSWERS ASAP!!! 20 POINTS IF YOU ANSWER ALL QUESTIONS(NO LINKS, SPAMMING OR GUESSING)
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