Answer:
B
Explanation:its the best answer
The most diverse offspring is produced when bees bringing pollen from the flower of one plant to the flower of another plant where, the new flower made will show a characteristic of both plants?
What is pollination?Pollination is the process of transferring pollen grains from the anther of the flower to the female stigma portion. This is a mechanism to create offsprings of the plants.
Pollination can be occurred through various agents such as insects, wind, water etc. Some plants contains both male and female flower within it and those are self pollinating.
Bees and butterflies are the main pollinating agents for plants. When they bring the pollen grains from one plant to another plant's flower the resulting offspring will have diverse properties which are mix of each plants.
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D. liquid
18. Which one is the oxidizing agent in the following reaction?
CuO + H2 cu + H2O
A. Cuo
B. H2
C. Cu
D. H2O
Answer: H2O
Explanation: The given balanced chemical reaction is,
This reaction is a reversible reaction.
The rate of forward reaction will be,
The rate of backward reaction will be,
And at equilibrium the rate of reaction is equal to the rate of backward reaction divided by the rate of forward reaction.
dose someone like to talk and will you help me to, if not we can talk
Answer:
wsppp
Explanation:
Answer:
hi.. (:
Explanation:
What is the density of an object, and what is an example of density?
why are there more hours of daylight during the summer
Answer:
Because of daylight savings
Answer:
because during the summer is when the earth is tilted a certain one. But because in different places they get summer at a different time the earth tilts differently for the places around the world.
Explanation:
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Answer:
Both are chemical changes.
Explanation:
They are chemical changes because when when you melt the sugar to make caramel a new substance is formed. The same with cookies. You don't start out with cookies, you start out with dough. And then when you cook the dough a new substance is formed which is the cookies.
6) Which of the following does not fall in the biotic component of the ecosystem?
a) water
b) animals c) plants
d) grass
7) The water and the mineral ions from the soil till the tip of the plant is made availab
tube like structure called ....
a. Guard cell. (6) Stomata c. Xylem d. Small hole.
8) The student peeled off a green leaf and observed it under a microscope. What sha
is expected to be seen by the students?
a) Oval
b) cylindrical
c) conical
d) rectangul
9) Lack of calcium in the diet causes....
a) Anemia b) simple goiter c) poor growth of bones and teeth
d) to
1
Answer:
6.grass
7.xylem
8.oval
9. poor growth of bones and teetn
a ridged steel tank filled with 62.7L of nitrogen gas of 85.0L atm
The final gas pressure : 175.53 atm
Further explanationMaybe the complete question is like this :
A ridged steel tank filled with 62.7 l of nitrogen gas at 85.0 atm and 19 °C is heated to 330 °C while the volume remains constant. what is the final gas pressure?
The volume remains constant⇒Gay Lussac's Law
When the volume is not changed, the gas pressure in the tube is proportional to its absolute temperature
[tex]\tt \dfrac{P_1}{T_1}=\dfrac{P_2}{T_2}[/tex]
P₁=85 atm
T₁=19+273=292 K
T₂=330+273=603 K
[tex]\tt P_2=\dfrac{P_1\times T_2}{T_1}\\\\P_2=\dfrac{85\times 603}{292}\\\\P_2=175.53~atm[/tex]
Draw the best Lewis structure of [(CH3)3O]+; fill in any nonbonding electrons. Calculate the formal charge on each atom other than hydrogen. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons and any nonzero formal charges.
Answer:
Following are the solution to this question:
Explanation:
For [tex][(CH_3)_3O]^{+}[/tex]
Please find the attachment.
Calculating the formal charge[tex]= ve^{-} - (nb +\frac{b}{2})[/tex]
[tex]ve^{-} = valence\ electons\\\\nb=non \ bonding \ electrons\\\\b= bonding \ electrons[/tex]
Formal charge on [tex]C \ of \ CH_3 \ \ \ \ (1)[/tex]
[tex]= 4- (0+\frac{8}{2})\\\\= 4- (0+4)\\\\=4-4\\\\=0[/tex]
Similarly, the formal charge on all carbons atoms is = 0
The formal charge on O atom:
[tex]=6-(2+\frac{6}{2})\\\\=6-(2+3)\\\\=6-5\\\\=+1[/tex]
what is density?
-science hw
Answer:
Density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume.
Explanation:
Hopefully that helped:/
Answer: Density, mass of a unit volume of a material substance. Hope this helps!
Which two properties of an object are directly related to its thermal energy?
A. Velocity and weight
B. Mass and weight
C. Velocity and temperature
D. Mass and temperature
Answer:
The answer is C
Explanation:
If we assume the sum of energy that could be obtained by absolutely transforming a unit of length, m. It is compared to the speed of light in this connection. In this case, the whole mass of the electron becomes force. In this, depending on the relation of Einstein, each electron can generate 510 keV, which is why only the option of "c" is right.
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The concentration of [OH-] -hydroxide ion : 1.2 x 10⁺⁴ M
Further explanationH₂O ionization reaction
2 H₂O ⇌ OH− + H₃O⁺
The water equilibrium constant (Kw) is the product of concentration
the ions:
Kw = [H₃O +] [OH-]
Kw value at 25° C = 10⁻¹⁴
It is known [H₃O +]=8.4 x 10⁻¹¹ M
then the concentration of [OH-] -hydroxide ion :
[tex]\tt 10^{-14}=8.4\times 10^{-11}\times [OH^-][/tex]
[tex]\tt [OH^-]=\dfrac{10^{-14}}{8.4\times 10^{-11}}=1.19\times 10^{-4}\approx 1.2\times 10^{-4}[/tex]
Plants contain three types of tissue. Describe the function of each. What are the tissues made of?
Each plant organ (roots, stems, leaves) contains all three tissue types: ... Vascular tissue is made of two specialized conducting tissues: xylem and phloem. Xylem tissue transports water and nutrients from the roots to different parts of the plant, and also plays a role in structural support in the stem
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Which has a lower freezing point oxygen or ethanol
Answer:
Oxygen
Explanation:
i REALLY think it is
Explain why iodine will not displace bromine from seawater.
5) Titanium (11) oxide is produced from its elements
If you wanted to know volume of water in a big bottle of soda, which
units would you use?
1. millimeters
2. kiloliters
3. liters
4. grams
If you wanted to know the volume of water in a big bottle of soda, you would use a unit known as liters. Thus, the correct option for this question is 3.
What is the volume?Volume may be defined as the amount of space occupied by a three-dimensional figure as measured in cubic units. It is generally a physical quantity of any object or substance.
As we all know that water is a liquid. So, the volume of liquid is always measured in liters. The density of water is sufficient in order to measure it in liters. While the volume of small quantity measurements like medicinal liquids is measured in milliliters.
Therefore, a liter is a unit in which the volume of water is usually measured. Thus, the correct option for this question is 3.
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Atoms and elements are examples of
Answer:
A particular atom will have the same number of protons and electrons and most atoms have at least as many neutrons as protons. An element is a substance that is made entirely from one type of atom. For example, the element hydrogen is made from atoms containing just one proton and one electron.
16. Analysis of a sample of a covalent compound showed that it contained 14.4% hydrogen and 85.6% carbon by mass. What is the empirical formula for the compound?
Answer:a
Explanation:
Cations have positive charges. Anions have negative charges. What force draws the two together?
Answer:
electrostatic attraction
Explanation:
Electrostatic attraction refers to the electrostatic force of long-range interaction occurring between the attractive electrostatic adsorption in aqueous solution with differently charged particles or uncharged particles.
Answer: Electrostatic attraction.
Explanation:
Blonde hair is a dominant trait. (True or flase)
Answer:
False
Explanation:
Answer:
false
Explanation:
Help ASAP.................
Sebastian has a beaker of 100 ml of water and a beaker of 500 ml of water. He is trying to
determine how the boiling point will be affected by the different amounts of water. He knows
that boiling point is a physical property of matter. What can he conclude about the boiling
point of the 2 beakers of water?
A. The 2 beakers of water will have different boiling points because the boiling point of water
is a physical property and the property is independent of the amount of water.
B. The 2 beakers of water will have the same boiling points of 100 degrees Celsius because
the boiling point of water is a physical property and the property is independent of the
amount of water.
C. The 2 beakers of water will have different boiling points because the boiling point of water
is a physical property and the property is dependent of the amount of water.
D. The 2 beakers of water will have different boiling points of 100 degrees Celsius and 500
degrees Celsius because the boiling point of water is a physical property and the property
Answer:
The 2 beakers of water will have different boiling points because the boiling point of water is a physical property and the property is independent of the amount of water.
Explanation:
Got 100 on my test
Which of these is a physical property? boiling point ,flamability, reactivity , toxicit
Answer:
Boiling point.
Explanation:
Flammability, reactivity and toxicity are all chemical properties!
Electronegativity difference of F and Cl:
ionic
covalent
Answer: Electronegativity difference of F and Cl: 1.0 and is covalent
Explanation:
Answer:
1.0, covalent
Explanation:
Electronegativity difference of N and H:
0.9
covalent
Electronegativity difference of F and Cl:
1.0
covalent
What is needed for a fossil to form?
Answer: The organism generally must have hard parts such as shell, bone, teeth, or wood tissue; the remains must escape destruction after death; and the remains must be buried rapidly to stop decomposition. This does make the fossil record biased because animals with soft bodies are less likely to form fossils.
Explanation:
1. Determine the number of significant figures in the following measurements.
a. 38.7 g 3 significant figures
b. 3 486 002 kg 7 significant figures
c. 0.00013 cm
d. 0.001400 g/L
e. 9 740 000 nm/s
Answer:
2 and 4 and 3
Explanation:
in c. leading 0's are never significat. Numbers 1-9 are always significant.
d. leading 0's are never significant. numbers 1-9 are always significant. ending 0's are only significant when there is a decimal.
e. numbers 1-9 are always significant. 0's are not significant because there is no decimal.
Boiling Point is the __________. *
temperature at which a liquid boils and turns to a gas
temperature at which a liquid boils and turns to a solid
temperature at which a liquid becomes warm
temperature at which a liquid freezes
Which equation shows the correct relationship between mass, force, and acceleration?
A
equation 1
B
equation 2
C
equation 3
D
equations 1, 2, and 3
The acceleration on an object is proportional to the resultant force and inversely proportional to the mass of the object
Further explanationNewton's 2nd law explains that the acceleration produced by the resultant force on an object is proportional and in line with the resultant force and inversely proportional to the mass of the object
∑F = m. a
[tex]\large {\boxed {\bold {a = \frac {\sum F} {m}}}[/tex]
F = force, N
m = mass = kg
a = acceleration due to gravity, m / s²
Newton's equation shows that the greater the net force applied to an object, the greater the acceleration, conversely the greater the mass of the object, the smaller the object's acceleration.
You can use this principle to choose the available answer options, because the questions are not complete
This represents the composition of a substance expressed as a percent.
Answer:percent composition
Explanation:
why does H and O share electrons but NA and O transfers electrons