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  • Waiting for answer What raw materials are used in light dependent reactions?

    Water and light. The light dependent reaction uses water and light. Light provides the energy needed to break apart water molecule. This process will make oxygen and hydrogen ion...

  • Waiting for answer What are blastomeres?

    Cells formed by cleavage of a fertilized ovum is known as blastomere . These blastomeres together are called Blastula . In the initial stage of development, the blastomeres adhere to each other in a mass called a morula . ( which is shown as 1 ) . The 2nd stage is called blastocyst which is for...

  • Waiting for answer Suppose you connect a battery to a small light bulb with a s...

    Probably the bulb will burn out in a few seconds. If the battery is very low voltage, the system might operate fine though due to resistances in the bulb, the battery, and the wires....

  • Waiting for answer How do you write the verbal phrase given: x/4- 17?

    a number ##x## divided by four, minus seventeen or seventeen less than a quarter of a number ##x##or a quarter of ##x## take away seventeen There's a variable in the expression so we...

  • Waiting for answer What is the difference between the R-Squared and adjusted R-...

    Adjusted R-squared applies only to multiple regression As you add more independent variables to a multiple regression, the value of R-squared increases giving you the impression tha...

  • Waiting for answer What does the word "forestall" mean?

    It means "to delay or prevent something by acting ahead of time". For example, To forestall illness, wash your hands after using the bathroom. http://www.merriam-webster.com/dictio...

  • Waiting for answer What are cells that help protect the body from disease calle...

    White Blood cells. Your second question feels a bit vague.If you just mean what you said,then its the atria.If you mean deoxygenated blood from the body ,its the right atrium.

  • Waiting for answer What does an apostrophe in a name mean? Examples: D'Artagnan...

    I don't know about Dragonflight, but D'Artagnan was a living person and the apostrophe means in French language usually a left out vowel. "De Artagnan"- From Artagnan. The French lan...

  • Waiting for answer How do guard cells of a leaf help to maintain homeostasis in...

    Homeostasis is keeping the internal environment of the organism as constant as possible. Water is the most important factor in doing so in all living things including plants. This is because it work as a solvent, thermoregulator, and is involved in nearly all metabolic pathways....

  • Waiting for answer Is the word "fight" a noun? And what is a verb? I think it i...

    It can be either a noun or a verb depending on the context. It is correct to write 'a fight', which means the word becomes a noun. It can be used for example in a sentence "I saw a f...

  • Waiting for answer What is the element with symbol Na?

    On , ##"Na"## is on the first column. ##"Na"## is called sodium (its name is from the Greek word Νάτριο, so its chemical symbol reflects that), and is an alkali metal. Its is ##11##, so it has ##11## protons.

  • Waiting for answer What is the volume of a square pyramid with base sides 10 cm...

    ##200cm^3## The volume of any pyramid is ##1/3xxbase" "areaxx_|_ht## so vol##" "=1/3xx10xx10xx6## l##" "=1/cancel(3)xx10xx10xxcancel(6)^2## ##=200cm^3##

  • Waiting for answer Why is carbon important in the chemistry of life?

    Most living things on Earth are made of carbon . Living things need carbon the most in order to live, grow, and reproduce. Also, carbon is a finite resource that cycles through the Earth in many forms. Why is this important? This makes carbon available to living organisms and remains in balance wi...

  • Waiting for answer What is concrete diction? Also, can you include some example...

    Concrete diction is using imagery to make a better sentence. Concrete: words which appeal to one's senses Diction: the way one speaks Regular Diction: It was a rainy day and Lenny...

  • Waiting for answer Who won more battles in the American Revolution? Who won the...

    The thirteen colonies won more battles and eventually won the American Revolution. The American Revolution first started at the battle of Lexington and Concord, April 19, 1775. This...

  • Waiting for answer The circumference of a great circle of a sphere is ##8pi##...

    ≈ 201.06 square units The formula for calculating the surface area (A) of a sphere is. ##color(red)(|bar(ul(color(white)(a/a)color(black)(A=4pir^2)color(white)(a/a)|))## where r is...

  • Waiting for answer What is the relationship between the solar nebula and the so...

    Solar system and planets were formed from a huge cloud of dust and gas which we call solar nebula. All the material for the Sun and planets came from this nebula. picture slideshare...

  • Waiting for answer How do you convert 2.7 meters per second to feet per minute?

    First of all, you can convert meters to feet. Since one meter is ##3.2808399## feet, this means that ##2.7## meters are ##2.7 \times 3.2808399## feet, which is ##8.85826772## feet. Now, if you know that in a second you travel ##8.85826772## feet, how many feet you will travel in a minute? Assuming...

  • Waiting for answer What is the electron configuration, orbital diagram, and nob...

    Potassium's is 19. This means that every atom of potassium has 19 protons in its nucleus. In a neutral atom, the number of protons is equal to the number of electrons. So the of potassium will involve 19 electrons. The full electron configuration of potassium is ##"1s"^2"2s"^2"2p"^6"3s"^2"3p"^6"4...

  • Waiting for answer What is the difference between Arrhenius, Bronsted-Lowry and...

    Now this is seriously complicated. To begin with, according to the Arrhenius theory, an acid is a substance that releases H+ ions in water, while a base is a substance that releases...

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