Answer:
rainfall/water
Explanation:
The possession of drip tips by the leaves of plants in the rainforest is a form of adaptation against high rainfall. Without the drip tips on leaves, water will persist on the surface of leaves, and in conjunction with the warm climate, promotes the growth of pathogens such as fungi and bacteria.
Hence, the possession of drip tips on leaves is an indication of the prevalence of water in the rainforest region.
Which of the following is a stable ion that exists under ordinary conditions?
N3-
Al+
Li2+
F2-
Answer:
Hmm 65
Explanation:
What's the final overall charge for sodium and fluoride ?
Answer:
Sodium fluoride is conceived to be composed of equal numbers of
Na+ and F− ions that are electrostatically bonded together in an extended, non-molecular array. And therefore sodium fluoride is neutral.
Explanation:
HELP I HAVE TO SUBMIT IN 5 MINS!!!!!!! :( I HAVE NO IDEA!!!
Both the stomach and the small intestine are involved in the digestion of food.
The churning of food by stomach muscles and peptidase enzymes in the small
intestine both break food molecules into smaller molecules.
Which statement best describes changes to food during digestion?
Answer: I think the answer is The muscle contractions result in physical changes, while the action of the peptidase results in chemical changes.
Explanation: Because the muscles would make the food smaller and the enzymes have a chemical change to it because it changes the molecules in the food.
The chemical processes in food digestion results in the formation of new
substances.
The statement that best describes the changes in food during digestion is;
The churning of the food is a physical process, which results in physical changes while the peptidase results in chemical changes of the food.
Reasons:
The given processes in the digestion of food are;
Stomach: Food churning is the process by which the small intestine vigorously turns ingested food.
Small intestine: The action of the peptidase enzyme is to increase the rate of the digestion of food.
Therefore;
The churning of the food is a physical process, which results in physical changes while the peptidase results in chemical changes of the food.
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The possible question options obtained from a similar question online are;
The churning of the food and peptidase action both results in chemical changes.The churning of the brings about a chemical change, while the peptidase results in a physical change.The churning action brings about physical change, while the peptidase brings about chemical change.Both the churning action and the action of the peptidase result in chemical change.ANSWER ASAP What are the ions present in the compound MgO? * 1
(1 Point)
Mg2+ and O-
Mg2- and O2+
Mg+ and O-
Mg2+ and 02-
Answer:
mg+ and O-
Explanation:
HOPE IT HELPS
The solids and liquids with the strongest intermolecular forces of attraction will have the
lowest melting and boiling points.
a. TRUE
b. FALSE
what would be the colour of litmus in sodium carbonate?
will make brainliest
Answer:
the color of the litmus paper will turn into blue color because sodium carbonate is basic in nature
what is the reaction type of 3ZnS+ 2AlP = 1Zn3P2 + 1Al2S3 ?
Answer: double displacement
Explanation:
A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.
The balanced chemical equation is:
[tex]3ZnS+2AlP\rightarrow Zn_3P_2+Al_2S_3[/tex]
Thus as ions get exchanged , it is double displacement reaction.
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Answer: mitosis results in two. meiosis results in four.
Explanation:
Cells divide and reproduce in two ways, mitosis and meiosis. Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells
how many atoms are there in 1g of argon the Avogadro constant is 6.02 x 10^23 per mole relative atomic mass (Ar): AR=40
Answer:
ow many atoms are there in 1g of argon the Avogadro constant is 6.02 x 10^23 per mole relative atomic mass (Ar): AR=40Explanation:
The number of atoms of argon in 1g of argon is 1.5 × 10²² atoms
From the question,
We are to determine the number of atoms present in 1g of argon.
To determine this,
First we will calculate the number of moles of the 1g of argon
From the formula
[tex]Number\ of\ moles = \frac{Mass}{Atomic\ mass}[/tex]
From the given information
Mass of Argon = 1g
Atomic mass of Argon = 40g/mol
∴ Number of moles of Argon = [tex]\frac{1}{40}[/tex]
Number of mole of Argon = 0.025 mole
Now,
For the number of atoms of argon present
Using the formula
Number of atoms = Number of moles × Avogadro's constant
∴ Number of atoms of argon present = 0.025 × 6.022×10²³
Number of atoms of argon present = 1.5055 × 10²² atoms
Number of atoms of argon present ≅ 1.5 × 10²² atoms
Hence, the number of atoms of argon in 1g of argon is 1.5 × 10²² atoms
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I need help on these 3 questions really fast
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Answer:
10. The wavelength of the color red is 650 × 10⁻⁹ m
11. The frequency of the color red is approximately 4.6122 × 10¹⁴ Hertz
12. The corresponding energy is approximately 3.058 × 10⁻¹⁹ J
Explanation:
10. Given that the wavelength, λ, of the color red is 650 nm, and one nanometer, nm = 10⁻⁹ m, we have;
The wavelength of the color red = 650 × 10⁻⁹ m
11. The frequency, v, of the color red is obtained from the relation, v = c/λ
Where;
c = The speed of light = 299,792,458 m/s
∴ v = 299,792,458/(650 × 10⁻⁹) ≈ 4.6122 × 10¹⁴ Hertz
12. Given that energy emitted by light, E = h × v, where E = 6.63 × 10⁻³⁴ J/s, we have;
E = 6.63 × 10⁻³⁴ J·s × 4.6122 × 10¹⁴ Hz ≈ 3.058 × 10⁻¹⁹ J
Therefore, the corresponding energy, E ≈ 3.058 × 10⁻¹⁹ J.
reduces frictions creation of thermal energy
A: lubricant
B: electric heater
C: cell phone
Which term refers to the ability to do work?
energy
power
force
motion
Answer:
Energy
Explanation:
Answer: energy
Explanation:just learned it last month
What is a Conclusion?
A. What you figure out by doing an experiment
B. the group that does not take part in the Experiment
C. The data that you record during an Experiment
D. What you think is going to happen in an Experiment.
Answer:
A
Explanation:
using process of elimination, B would be, and I forget, but I think it's the controlled variable or one type of variable. C would be analysis or just data I guess. and D would be hypothesis
WILL GIVE BRAINLIEST FOR THE RIGHT ANSWER!!!!!Which elements can form diatomic molecules joined by a single covalent bond?
A. hydrogen only
B. halogens only
C. halogens and members of the oxygen group
D. hydrogen and the halogens only
Answer:
b
Explanation:
that's the answerer
which of the below would result in rearrangement of atoms at molecular level
a) salt dissolved in water
b) broken tree branches
c) gasoline combusts in an engine
d) steam rising from hot pavement
The best answer is
A) The atoms in the mineral get rearranged
Explanation:
what are three uses of oxygen ?
Answer:
Production Of Steel Plastics and textiles
Explanation:
It is many more etc
Iron has a known density of 7.87 g/cm3. What would be the mass of a 2.5
cm3 piece of iron?
how many electrons elements are present in period 2 ?
The amount of matter in an object is its
OA. Volum
OB. mass
Oc. density
OD. charge
How does the ionosphere help radio transmission?
Explanation:
ionosphere can reflect radio waves directed into the sky back toward the Earth
Maria walked on a beach made mostly of sand. She walked barefoot
on the beach early in the morning, and the sand was cool. When she
walked in the same area in the afternoon, the sand was hot.
Which statement best describes why the temperature of the sand
increased?
The statement that the atoms in the sand were moving more quickly best describes why the temperature of the sand is increased. The relationship between kinetic energy and temperature is explained here.
What is the relationship between kinetic energy and temperature?The temperature of a body is directly proportional to the kinetic energy. The energy acquired by those molecules which are in motion is called the kinetic energy.
The radiation of the sun falls on a number of objects on our surroundings. The objects absorb this energy till afternoon due to which they become hot.
When Maria walked in afternoon, the sand was hot as its particles have gained the kinetic energy due to which they move rapidly from one place to another. So that the sand feels more hot in the afternoon.
Thus the atoms in the sand were moving more quickly best describes the increase in temperature of the sand.
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The statue of Liberty is made out of copper metal. When it was first constructed, the color of the copper metal was bright burnt orange.
Over time, however, it slowly developed a green color as it was exposed to air. What happened to the statue of liberty?
Explanation:
The green color of the Statue of Liberty was due to the outer surface covered with hundreds of thin copper sheets. Copper reacts with the air to form a patina or verdigis
Convert 48.5 grams of water to moles of water
Answer:
2.70 mol of water.
Explanation:
divide the given mass by the molar mass of water. 48.5 / 18.016g = 2.70 mol water.
Assignment Summary For this assignment, you will construct a scientific model of the water cycle to show how water is recycled through an ecosystem. Once you have drawn your model on a poster board, you will write one to two paragraphs explaining how water is transferred within and between organisms and the environment. Background Information Water is a very important compound. Organisms need water to carry out life-maintaining processes such as growth and development. Without water, living things will not survive. Water continually flows among the atmosphere, land, water, and living organisms. This process, called the water cycle, allows water to be recycled as it moves through Earth’s spheres. Materials Assignment Instructions Step 1: For this project, you are expected to submit the following: 1. Your model of the water cycle 2. One to two typewritten paragraphs describing the water cycle Step 2: Prepare for the project. a) Read through the guide before you begin so you know the expectations of this project. Pay particular attention to the instructions you need to follow to create a model on your poster board. b) If anything is not clear to you, be sure to ask your teacher. Step 3: Gather materials for the model. a) Start with a blank poster board. Be sure to put your name on it. b) You may either draw the parts of the water cycle or print images to construct a model on your poster board. Gather any drawing tools that you will need, or print any images you want to use. Step 4: Create a model of the water cycle. a) Your model should include bodies of water such as lakes and oceans, organisms, air, and land. b) Draw arrows indicating how water moves within an ecosystem and between organisms and their environment. Be sure to include the Sun and gravity in your model. c) Include short phrases on your poster that summarize what occurs at each stage of the water cycle Step 5: Write a paragraph describing the water cycle. a) Type one to two paragraphs describing the full water cycle. Be sure to use full sentences and proper grammar.
Answer:
Explanation:
Earth's water is always in movement, and the natural water cycle, also known as the hydrologic cycle, describes the continuous movement of water on, above, and below the surface of the Earth. Water is always changing states between liquid, vapor, and ice, with these processes happening in the blink of an eye and over millions of years.
edge 22
Susie is in the kitchen making brownies. She melts butter in the microwave, turns on the oven to preheat, and uses the electric mixer all at the same time. Which best explains how Susie can turn off without the other appliances turning off as well?
Answer:
A.
The circuits are wired in series, and when one appliance turns off, the others can still run.
B.
The circuits are wired in parallel, and when one appliance turns off, the others can still run.
C.
The circuits are wired in series, and when one appliance turns off, the others will switch to parallel circuits for power.
D.
The circuits are wired in parallel, and when one appliance turns off, the others will switch to series circuits for power.
Explanation:
The answer is b i just took it
What is the random mixing of gas molecules called?
O A. Volume
O B. Temperature
C. Diffusion
O D. Pressure
Answer:
C. Diffusion
it is called diffusion
May someone pls help me with this!
Answer:
Explanation:
1. Chemistry
2. Atoms
3. Anode
4. Cathode
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Answer:
bri me jose my new account
Explanation:
The age of the seafloor __________as you move away from the mid ocean ridges to deep ocean trenches
A decreases
B increases
C does not change
Answer:
stays the same
Explanation:
because the ocean floor usually doesn't spread instead the ocean floor plunges into deep under water canyons called deep ocean trenches.