pure water has a pH of_
a. 6
b. 7
c. 8
d. 9​

Answers

Answer 1

Answer:

It has a pH of 7, so your answer is therefore B.) 7.

Answer 2

Answer:

7

Explanation:


Related Questions

Mitosis is the division of the cell nucleus and cytoplasm into two genetically identical daughter cells.

a. True
b. False

Answers

Answer: True.

i am pretty sure.

Which of the following statements are FALSE? A. Meiosis separates homologous chromosomes in a diploid cell to produce haploid daughter cells containing one copy of each type of chromosome. B. During prophase I, homologous chromosomes pair up and exchange DNA. C. During meiosis II, paired homologous chromosomes move up to the equator of the cell. D. During anaphase I, homologous chromosomes separate. E. In meiosis II, the sister chromatids of each chromosome separate. F. In meiosis I, ploidy is reduced. G. In meiosis II, ploidy is reduced. H. During anaphase I, sister chromatids separate.

Answers

The statements about meiosis that are false include the following:

C. During meiosis II, paired homologous chromosomes move up to the equator of the cell.

G. In meiosis II, ploidy is reduced.

H. During anaphase I, sister chromatids separate.

Meiosis can be defined as a type of cell division or duplication that occurs in all body cells found in living organisms, through which a single cell divides twice to produce four (4) haploid cells (gamete).

During cell division, deoxyribonucleic acid (DNA) must be replicated before meiosis can take place in any body cell found in living organisms.

Generally, the phases or steps that occur during meiosis include:

Prophase I.Metaphase I.Anaphase I.Telophase I.Prophase II.Metaphase II.Anaphase II.Telophase II.

Furthermore, the statements about meiosis that are false include the following:

1. During meiosis II, paired homologous chromosomes move up to the equator of the cell.

The movement of paired homologous chromosomes to the equator of the cell takes place during prophase II.

2. In meiosis II, ploidy is reduced.

Actually, it is meiosis I that reduces ploidy.

3. During anaphase I, sister chromatids separate.

Sister chromatids are separated during anaphase II.

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Line is defined as a
a. a geometric shape that is open and moves from one point to another.
b. a slowly curving path along a plane.
C. a path through space.
d. The distance or area between around, above, below,and within objects.
Please select the best answer from the choices provided
Ο Α
ОВ
OD

Answers

Answer:

A is the answer

Explanation:

a line is a infinetly thin infinetly long straight line.

Which of the following accurately describes facilitated diffusion

Answers

Answer:

Xarwdef

Explanation:

What does costal cartilage connect?

Answers

Answer:

a. Ribs to the sternum

Explanation:

Answer:

Ribs to the sternum

Explanation:

what type of circulatory system do earthworms have?

Answers

Answer:

a closed circulatory system.

Explanation:

an earthworm circulates blood exclusively through vessels.

Answer:

Closed circulatory system.

1 point
8. In the above food web described, crab, clams, mussels, sea snails and
urchins are
Mussel
Sea snail
Clam
Urchin
Crab



Primary Consumer (Herbivore)
Secondary Consumer (Carnivore)
Producer

Answers

Answer:

they are all primary consumers

Explanation:

the genetic material of the eukaryotic cell is stored inside which organelle

Answers

The answer is nucleus

What is the name for the type of graph shown in the image below?
A) Bar graph
B) Box-and-whisker
C) Cumulative frequency
D) Stem-and-leaf

Answers

Answer:

box-and-whisker is the right answer i think

Answer:

box and whisker

Explanation:

B

why are scientists obsessed with discovering water on mars ?

Answers

Answer:

Understanding the extent and situation of water on Mars is vital to assess the planet's potential for harboring life and for providing usable resources for future human exploration.

Explanation:

How is aerobic cellular respiration different from fermentation?

Answers

Answer:

Aerobic respiration is a metabolic process that occurs in the presence of oxygen while fermentation is a catabolic process that occurs in the absence of oxygen.

Explanation:

what effort is made in nepal for the conservation of wildlife?

Answers

Nepal has made use of some limited hunting in hunting reserves to help fund their wildlife conservation efforts. No endangered species are allowed to be hunted.

▪▪▪Cutest Ghost▪▪▪

Explanation:

Nepal has made use of some limited hunting in hunting reserves to help fund their wildlife conservation efforts. No endangered species are allowed to be hunted

Mental excess could produce, for its own purposes, the
voluntary blindness and deafness of deliberate solitude, the
artificial impotence of asceticism.


In this sentence, voluntary means:
A. dangerous
B. mournful
C. timely
D. willful

Answers

The answer is gonna be C i believe

A scientist is trying to decide whether an organism is unicellular or multicellular. Which information would help the scientist most to make her decision? A. size of the cells of the organism B. what the organism eats C. how many types of cells are in the organism D. how fast the organism grows

Answers

Answer:

how many types if cell are in the organism

what is the main function of the reticular activating system?

Answers

The reticular activating system's main function is regulating arousal and sleep−wake transitions

The reticular activating system's main function is regulating transition between arousal and sleep−wakeness.

what is reticular activating system?

The reticular activating system (RAS) is a bundle of nerves located in the brain and  it is responsible for regulating wakefulness and sleep-wake transitions.

 It  is also involve in filtration of noise with processing of messages or make it slower during  sleep, it alters the  brain's electrical activity,  electrical voltage of brain waves and the speed.

The primary function of RAS is higher at brain centres when important messages are received and filter the important messages, for example The eye sends messages to the brain through the optic nerve.

If the RAS system is damaged, it can cause sleep problems, lethargy, or coma, also play a role in narcolepsy and degenerative brain disorders like Parkinson's disease and supranuclear palsy

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list the function done by living organisms

Answers

Answer:

Respiration,Growth,Nutrition ,Reproduction and Excretion

Explanation:

The process of differentiation is(1 point)

a process by which cells die.


a process by which cells repair themselves.


a process by which cells become specialized.


a process by which cells divide.

Answers

Answer:

C

Explanation:

I'm pretty sure I'm late but It's C. a process by which cells become specialized.

The process of differentiation is the process by which cells become specialized.

CELL DIFFERENTIATION:

Cell differentiation is the process by which an unspecialized cell becomes specialized in function.

Cell differentiation is undergone by stem cells, which are regarded as totipotent cells. The process of cell differentiation occurs as a result gene expression.

Cells like heart cells, blood cells, liver cells, kidney cells etc. are examples of specialized cells.

Therefore, the process of differentiation is the process by which cells become specialized.

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17. What two headed muscle comes together with the soleus to attach to the heel?

Answers

The gastrocnemius muscle

Have a luvely day!

20. Which element would be found in Period 5, Group 6?
А. Та
B. Mo
C. W
D. Nb

Answers

Answer:

A.

hope it helps

im from philippines.

structure of the atmosphere: Beginning at the surface of the earth list in order the layers of the atmosphere

Answers

Answer:These layers are the troposphere, stratosphere, mesosphere and thermosphere.

Explanation:

20 points
Cells are classified as prokaryote and eukaryote. If a cell has no nucleus
and no membrane bound organelles, as mitochondria and chloroplasts,
then it is classified as *
A.Eukaryote
B.Prokaryote
C.Endosymbiosis
D.both a and b

Answers

Answer:

B. Prokaryote

Explanation:

Because it does not have a well defined nucleus and bound organelles

Answer:

B

Explanation:

A prokaryotic cell is a simple, single-celled (unicellular) organism that lacks a nucleus, or any other membrane-bound organelle.In prokaryotes, the DNA (chromosome) is in contact with the cellular cytoplasm and is not in a housed membrane-bound nucleus. ... Throughout the course of evolution, organelles such as mitochondria and chloroplasts (a form of plastid) may have arisen from engulfed prokaryotes.

A rocket flies up into the air and returns back down to its exact spot. The displacement of the rocket is zero


true or false

Answers

Answer:

False ................

How would a cell make a protein that would go into the cell membrane?

Answers

Explanation:

Many proteins can move within the plasma membrane through a process called membrane diffusion.

This concept of membrane-bound proteins that can travel within the membrane is called the fluid-mosaic model of the cell membrane.

what is the approximate percentage of total fixed nitrogen attributed to human activities?

Answers

Of the annual global total of fixed nitrogen, human activities account for roughly 45%.

Nitrogen fixation is the global amount of nitrogen that gets assimilated by any living organism into another organic compound. The organic compound can be ammonia or nitrogen ions.

Of the total global annual nitrogen fixation, humans account for a great amount. The current estimation is that humans cause 45% of the nitrogen fixation annually. The leading causes of this high rate are the burning of fossil fuels and increased agricultural fertilizer use.

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Where in your body do you think cell division is occurring?

Answers

Answer:

Everywhere except in gonad cells

Explanation:

Cell division by mitosis occurs in all human body cells except the gonads (sex cells). During mitosis, the DNA is exactly copied and a new daughter cell created with the same number of chromosomes as the parent cell, ie 46. In the sex cells, meiosis occurs where the DNA is halved and the daughter cell has only 23 chromosomes.

Hope this helps :}

Pls mark brainliest :P

And have an amazing day <3

Answer: in shoot and root tips

the organs protected by the thoracic cage include the

Answers

Answer:

....heart and lungs

Explanation:

The organs protected by the thoracic cage include the heart and lungs

is algae is saprophytic plant
yes
no​

Answers

No. Algae is autotrophic.

what is Soil erosion..?​

Answers

Explanation: Soil erosion is a gradual process that occurs when the impact of water or wind detaches and removes soil particles, causing the soil to deteriorate. ... The impact of soil erosion on water quality becomes significant, particularly as soil surface runoff. Sediment production and soil erosion are closely related.

State TWO reasons why enzymes are referred to as 'biological catalysts'.

Answers

Answer:

Like all other catalysts, enzymes are characterized by two fundamental properties. First, they increase the rate of chemical reactions without themselves being consumed or permanently altered by the reaction. Second, they increase reaction rates without altering the chemical equilibrium between reactants and products.

Your Welcome!

I wasn’t here for this help please!! 22-26!

Answers

Answer:

22: B

23: B

24: B

25: A

26: A

Good luck!      

Answer:

bbbaa

Explanation:

22.b

23.b

24.b

25.a

26.a

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