Answer:
I hope this helps and if not I'm truly sorry
Explanation:
2
Percent composition by element
Element Symbol # of Atoms
Barium Ba 1
Hydrogen H 2
Oxygen O 2
According to the chemical formula, there are two more oxygen atoms in barium sulfate as compared to barium hydroxide.
What is chemical formula?Chemical formula is a way of representing the number of atoms present in a compound or molecule.It is written with the help of symbols of elements. It also makes use of brackets and subscripts.
Subscripts are used to denote number of atoms of each element and brackets indicate presence of group of atoms. Chemical formula does not contain words. Chemical formula in the simplest form is called empirical formula.
It is not the same as structural formula and does not have any information regarding structure.It does not provide any information regarding structure of molecule as obtained in structural formula.
There are four types of chemical formula:
1)empirical formula
2) structural formula
3)condensed formula
4)molecular formula
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In an ECG pattern, the P wave is caused by?
Answer:
Depolarization of atrial muscle fibers
The P wave in an electrocardiogram (ECG) pattern is caused by the depolarization (contraction) of the atria.
What does this represent?It represents the electrical activity that initiates the contraction of the atrial muscles, which is responsible for pumping blood into the ventricles.
The depolarization wave starts at the sinoatrial (SA) node, also known as the natural pacemaker of the heart, and spreads throughout the atria, leading to their contraction.
The P wave is the first deflection seen on an ECG and signifies the initiation of the cardiac electrical cycle. It provides valuable information about the atrial function and can help diagnose certain cardiac conditions.
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What part of the cell is selectively permeable and critical for maintaining homeostasis?
Answer:
The cell membrane
Explanation:
One way that a cell maintains homeostasis is by controlling the movement of substances across the cell membrane. The lipid bilayer is selectively permeable to small, nonpolar substances. Proteins in the cell membrane include cell-surface markers, receptor proteins, enzymes, and transport proteins.
What happens when rainwater hits sand?
Answer:
When we mix sand and water, no reaction takes place. The sand simply settles down at the bottom of the water container. This is because sand is heavier than water and hence cannot float in water. The sand can be separated from the water by simple filtration and can be obtained in its original condition after drying.
Explanation:
.
What is the perimeter of the figure?
36 in.
42 in.
44 in.
48 in.
Answer:
170 in
Explanation:
Add all values
Answer:
42
Explanation:
Please select the word from the list that best fits the definition
a cloud that brings a thunderstorm
Answer:
Cumulonimbus Cloud
Explanation:
Cumulonimbus (from Latin cumulus, "heaped" and nimbus, "rainstorm") is a dense, towering vertical cloud,[1] forming from water vapor carried by powerful upward air currents. If observed during a storm, these clouds may be referred to as thunderheads. Cumulonimbus can form alone, in clusters, or along cold front squall lines. These clouds are capable of producing lightning and other dangerous severe weather, such as tornadoes and hailstones. Cumulonimbus progress from overdeveloped cumulus congestus clouds and may further develop as part of a supercell. Cumulonimbus is abbreviated Cb.
Answer:
cumulonimbus cloud
Explanation:
forgive me if i spelled it wrong
Complex food molecules that are consumed by organisms must be broken down in order to be used by cells to support growth or release energy?
What are four common measurements
Answer:
nominal, ordinal, interval, and ratio
Explanation:
The first amphibians evolved about 400,000 years ago.
True or False?
Answer:
False
Explanation:
Amphibians evolved about 365 million years ago from a lobe-finned fish ancestor. As the earliest land vertebrates, amphibians were highly successful for more than 100 million years until reptiles took over as the dominant land vertebrates. The earliest well-known amphibian, Ichthyostega, was found in Late Devonian deposits in Greenland, dating back about 363 million years. The earliest amphibian discovered to date is Elginerpeton, found in Late Devonian rocks of Scotland dating to approximately 368 million years ago.
❗️❗️please if you can help me with this let me know. i have 10 pages of multiple choice chemistry questions and i can mark brainliest, and pay you real money if you do it
Answer:
which grade?
i would help ..
Answer:ill try
Explanation:
How many electrons must get passed down the Electron Transport Chain before energy is generated?
(1 point)
A 5
B 3
C 4
D 2
Answer: I would say b because it's the smartest
Answer:
The correct answer is D.
Explanation:
2 electrons must move down the Electron Transport Chain before energy is made.
Excretory system creates liquid waste in forms of
Answer:
urine or pee as some may call it
Explanation:
Answer:
Urine
Explanation:
Or Pee
9) How long was the Northeastern, United States blanketed by the ice sheet?
Answer:
between c. 95,000 and c. 20,000 years
Explanation:
Name the element that has the following number of particles 26 electrons 29 neurons 26 protons
the answer is iron(Fe)
ASAP NEED HELP WITH 28 and 29 PLEASEE
Answer:
you have to add the picture of the questions
what are the questions?
What are the difference between cartilage and bony fish?
Answer:
Technically, the most obvious disparity between bony vs cartilaginous fish comes from the fact that the skeleton of bony fish is made of bones alone, while that of cartilaginous fish is made of cartilage. There are more than 20,000 fish species in the world
Explanation:
which of the following best describes C-K Theory
Answer:
C-K theory describes and explains the reasoning of a designer as he thinks of and designs a new object – a new product, service, or process. In addition to its explanatory power, this theoretical framework provides powerful generative mechanisms to overcome cognitive obstacles, thus improving our ability to innovate.
Explanation:
C-K design theory or concept-knowledge theory is both a design theory and a theory of reasoning in design. It defines design reasoning as a logic of expansion processes, i.e. a logic that organizes the generation of unknown objects.
HELP PLZ
is diabetes a cellular disorder? what organ system does it form from?
How did you save Clark?
Compare and contrast what happens in mitosis and meiosis.
Mitosis and Meiosis-their differences and similarities
Similarities: both mitosis and meiosis are multistage processes. The stages are interphase, prophase, metaphase, anaphase and telophase. The same general processes occur in each of these stages for mitosis and meiosis. Interphase is cell growth and DNA replication in preparation for cell division
Differences:(please find it attached below)
The similarities between mitosis and meiosis are as follows:
Both types of cell division take place in the nuclei of the cell.Both involve some common stages like prophase, metaphase, anaphase, and telophase. Both forms of cell division initiate from a diploid parental cell. The occurrence of DNA synthesis happens in both sorts of cell divisions.What is Meiosis?Meiosis may be defined as the type of cell division that occurs in the germs cells of an individual. In this type of cell division, one parental cell produces four haploid daughter cells. It is also known as reductional division.
The differences between mitosis and meiosis are as follows:
Mitosis produces two daughter cells of diploid nature from a parental cell. These daughter cells are genetically identical to their parental cells. Meiosis produces four daughter cells of haploid nature from a parental cell. These daughter cells are genetically different from their parental cell.Therefore, it is well described above.
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Distinguish between the fossils of ice age mammals found in the La Brea Tar Pits and the organisms that make up the
fossil fuels of the tar.
Answer:
Explanation:
The tar located in the La Brea tar pits is today a fossil fuel that began its formation many hundreds of millions of years ago from the bodies of marine organisms. During the last ice age that ended a few tens of thousands of years ago, some animals got trapped in the tar and left their bones behind. They are not something that created it but only got trapped in preexisting tar.
Answer:
The tar in the La Brea Tar Pits is a fossil fuel that began forming hundreds of million years ago from the bodies of marine organisms. During the last ice age, a few tens of thousands of years ago, mammals like mammoths and sabertooth cats, became trapped in the tar, leaving their bones behind. The mammals became trapped in the tar that already existed, and were not in fact part of what created it.
Explanation:
it was on edge
Which of the following statements about coal is not true?
A) Coal is relatively inexpensive to extract and obtain.
B) Coal is the most polluting of all the fossil fuels.
C) Coal is abundant in the United States.
D) Coal is difficult to ship and store for later use.
Answer:
i think it c
Explanation:
d
Explanation:
coal is difficult to ship and store for later use
Please help it’s urgent!!!
Heat is the _____________ of thermal energy.
A.
transfer
B.
conservation
Answer:
A transfer
Explanation:
Heat is the transfer of thermal energy from one object to another
Which of these is not an edible root?
a. Carrot
b. Turnip
d. Sweet notato
c. Ginger
Answer:
they are all edible
Explanation:
1. This is one structure essential in propagating young trees
a. Soil type
b. Shed
c. Location/Site
d. Box
2. A place near a source of water.
a. Location/Site b. Boxes, pots, and plots c. Shed
d. Soil Type
3. It is important to have a complete set of tools or their substitute to be able to carry out all
nursery activities properly
a. Soil type
b. Location/Site
c. Storage place for tools and equipment d. box
4. There are three places to germinate seeds, young plants, and young trees
a. Boxes, pots, and plots for germinating seeds
b. Shed
d. Location
c. Soil type
5. Different plants need different types of soil.
a. Soil type
b. Shed
c. Location/Site
d. Box, pots and plots
The correct and most appropriate answer option for each of the question are:
1. B. Shed.
2. A. Location/Site.
3. C. Storage place for tools and equipment.
4. A. Boxes, pots, and plots for germinating seeds.
5. A. Soil type.
A nursery bed can be defined as a specially prepared temporary plot of land or garden which serves as a home for raising seedlings (young plants) prior to planting them in the main location (area).
Thus, when older trees in the environment or surrounding dies or are cut-off, these younger plants (trees) propagated in the nursery bed are transferred to replace them.
Some of the criteria or requirements for setting up a nursery bed are;
1. Shed: this is one structure essential in propagating young trees.
2. Location/Site: a place close (near) to a source of water should be chosen because water is essential for plant growth and coolness from extreme heat caused by the sun.
3. Storage place for tools and equipment: it is important to have a complete set of tools or their substitute to be able to carry out all nursery activities properly.
4. Boxes, pots, and plots for germinating seeds: there are three places to germinate seeds, young plants, and young trees.
Pots are used for germinating young trees while boxes and plots are used for raising seedlings.5. Soil type: different plants need different types of soil.
These include clay, loamy and sandy soil.Read more: https://brainly.com/question/16526238?referrer=searchResults
The nerve signal will travel. Kilometers in one second
Answer:
0.119 kilometre per second.
Explanation:
Answer:
The nerve signal will travel 0.15 kilometers in one second.
Explanation:
answer on edmentum/plato.
Which statements accurately describe worms? Check all that apply.
1. Worms are vertebrates.
2. Worms have a brain.
3. Worms have legs.
4. Worms reproduce sexually.
5. Worms reproduce asexually.
Answer:
#4
Explanation:
What would happen to the original rabbit population if you introduced another type of rabbit, one that could run faster and escape its predators?
Answer:I f there were lots more bunnies than wolves, the bunnies would not take over and live forever because as there are no predators for bunnies, bunnies population will increase then the grass they consume had to increase too.
Explanation:
Give an example of a mineral you use everyday and how you use it ?
Give an example of an organ that is included in more than one organ system. How does the organ's functions offer a unique contribution to each system?
Answer:
The correct answer is - ovaries.
Explanation:
Ovaries are organ which plays a distinct role in two different organ system and both roles of the organ are essential. Ovaries not only produces egg in the reproductive system but also produces the hormone which is part of the endocrine system.
The endocrine system is a system of chemical messengers which depends on the feedback loop to release the chemical messenger or hormone directly to the circulatory system, ovaries are part of this system as it produces a hormone.