Answer:
B.
Explanation:
Identify the reactant(s) in the chemical reaction, CO2 + H2O → H2CO3.
a
CO2, H2O, and H2CO3
b
CO2 and H2O
c
CO2
d
H2CO3
Answer:
b. CO2 and H2O
Explanation:
Reactants are substances that undergo change during a reaction. They are on the left side of the arrow and turn into products (aka the right side).
Plants that have reproductive structures called cones are
A. angiosperms.
B. gametophytes.
C. gymnosperms.
D. sphorophytes.
Plants that have reproductive structures called cones are gymnosperms
Please help me with this question about chromosomes
Answer:
The third one!
What natural system purifies water?
A-carbon filtration
B-sewage treatment plant
C-particles precipitate out in oceans and lakes
D- the water cycle
Answer:
The water cycle
Explanation:
When water is evaporated whatever dirt or salt particles were in it do not get evaporated with it. So when it falls back to earth (as rain, snow, hail, ect.) it is technically pure, until something is added to it.
Answer:
The water cycle just had it on a quiz
Explanation:
Question 6 of 10
Imagine you are a detective examining a crime scene. You are trying to
identify the person who committed the crime, so you collect many samples at
the crime scene. Which sample would be most useful in identifying the
person who committed the crime?
A. Pieces of flooring from the crime scene
B. Drops of blood found at the crime scene
C. A watch and keys found at the crime scene
D. Plants growing at the crime scene
SUBMIT
The sample that would be most useful in identifying a person who committed the crime is drops of blood found at the crime scene. The correct option is B.
What is a crime scene?A crime scene is a term for the place or location where the crime has been committed. A crime scene contains physical evidence related to the crime, sometimes the body of the victim.
Drops of blood contain the DNA, a sample of blood would be a piece of good evidence to catch the criminal.
Thus, the correct option is B. Drops of blood found at the crime scene.
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Sexual reproduction helps to increase _
The advantage of asexual reproduction is _
Answer:
Sexual reproduction helps to increase..=genetic diversity within a species and evolutionary advancements
The advantage of asexual reproduction is=large number of offspring identical to parent,no need to waste energy to find a mate
Hope this helps!
How is the sex of the offspring determined?
solely by which chromosome from the male, the X or the Y, combines with the female chromosome
solely by the "Y" chromosome
independent of the female chromosome
by the combination of the sex chromosomes of the male and female
Answer:
i think its the second one
Answer:
By which chromosome from the male, the X or the Y, combines with the female chromosome
Explanation:
PLEASE HELP, ANSWER ONLY IF YOU KNOW THE ANSWER, WILL MARK BRAINLEST.
What is some biological events
Answer:
Physicals changes, the way your skin wrinkles. Basically all the stuff you body goes through over your life time
Explanation:
Which zone contains the headwaters of a stream system?
A. transition zone.
B. source zone.
C. floodplain zone.
D. delta zone.
E. littoral zone.
Answer:
A. transition zone
Explanation:
What animal in the Andes Mountains would be at the top of the food chain A. Rats B. Pumas C. Bears D. Guanacos. Please help
Answer:
im not sure but i think its Guanacos
Explanation:
The animal in the Andes Mountains would be at the top of the food chain - B. Pumas
Food chainthe sequence of movement of energy and matter from one level of an organism to another.
A carnivore that does not have predators is called the top predator and is situated at the top of the chain.
In mountain Andes, the carnivores are puma, lion and other carnivores.
Thus, The animal in the Andes Mountains would be at the top of the food chain - B. Pumas
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All cells have a____which surrounds the cell
Answer:
plasma membrane
Explanation:
Have a nice day, and I really hope this helps!!
-KindnessMatters-
What is one of the causes of mechanical weathering?
O acid ran
O aceton
O animal actors
O carbon dioxide
Loss of voluntary control over urination is called
O dialysis
O incontinence
O neurogenic bladder
O urgency
Previous
What are some treatments for dyslexia
Answer:
Most children with dyslexia can succeed in school with tutoring or a specialized education program.
Therapies:
Individualized educational interventions, Rehabilitation, Occupational therapy, and Counseling psychology
I’ll give brainliest if you answer please helppp
The
era began and ended with mass extinctions.
A. Cenozoic
B. Precambrian
O C. Mesozoic
D. Paleozoic
Answer:
c.
Explanation:
because is an interval of geological time from about 252 to 66 million years ago.
Western boundary currents _____.
a. always travel northward
b. transport heat towards the poles
c. transport heat away from the poles
d. run along the eastern boundaries of ocean basins
e. travel along the equator
The answer ➪ run along the eastern boundaries of ocean basins.
Insta: 25k_kemWhich two processes are most likely to contribute to global climate change?
Answer choices
A) Agriculture and mining
B ) Deforestation and fossil fuel burning
C ) Fossil fuel burning and agriculture
D ) Sedimentation and deforestation
Can someone explain how a cladogram works?
Answer:
it shows ancestral relatedness the traits show where they evolved on the tree with things below that having that trait the hagfish is the outgroup
rabbits and gorillas have fur
Explanation:
Answer:
A cladogram is the diagrammatic result of an analysis, which groups taxa on the basis of synapomorphies alone. There are many other phylogenetic algorithms that treat data somewhat differently, and result in phylogenetic trees that look like cladograms but are not cladograms.
Explanation:
In addition to how much force Earth exerts on the object, which features of an object affect its weight?
mass and location of the object
shape and location of the object
location of the object and how much energy the object has
mass of the object and how much energy the object has
Answer: A (I got it right)
In addition to how much force Earth exerts on the object, which features of an object affect its weight?
mass and location of the object
shape and location of the object
location of the object and how much energy the object has
mass of the object and how much energy the object has
Explanation:
Answer: A
Explanation:
hope this helps!
Which is a pollutant associated with high-tech gadgets in landfills?
A. Nitrogen
B. Carbon Dioxide
C. Iron
D. Mercury
Answer:
The answer is D.) Mercury
Answer:
Lead can also be an answer.
Explanation:
faith
heating causes a substance to lose thermal energy
Answer:
true
Explanation:
Which of the following statements are correct? *
Carbon dioxide and glucose combine during photosynthesis to make oxygen and
water.
Oxygen and water combine during respiration to make carbon dioxide and glucose.
Water and carbon dioxide combine combine during photosynthesis to make glucose
and oxygen
Glucose and oxygen combine during photosynthesis to make water and carbon
dioxide.
TAIL
Use any resource to define the following vocabulary terms from the unit:
Chemical change
product
chemical reaction
reactant
dissolve
solution
energy
temperature
heat
thermal energy
mixture
Physical change
lol
plssssss help Im giving almost all my points
Answer:
Eastern Africa consists largely of plateaus and has most of the highest. ... The Western Rift Valley curves along the western borders of Uganda and Tanzania. ... Apparently established in the 9th century, it is distinguished for its seawalls of coral
hope this was helpful
Explanation:
WHO WANTS TO BE MARED BRAINELEST
Name three geological “phenomena” or changes to the earth’s crust that are caused by plate tectonics.
Answer:
volcanic eruptions, earthquakes, and tsunamis
Explanation:
1. The nucleus is the site of
in protein synthesis
A. transcription
B. translation
The nucleus is the site of transcription in protein synthesis.
What do you mean by Transcription?Transcription may be defined as a process through which a cell makes a copy of RNA (mRNA) from a strand of the DNA.
These messenger RNA carries the genetic information which is essential to make a protein in a cell. The process of transcription occurs in the nucleus of the cell.
While translation is the process by which the sequences of mRNA may transform into proteins. This process occurs in the cytoplasm of the cell.
Therefore, the nucleus is the site of transcription in protein synthesis.
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Why didn't people know about germs or microbes before the mid-1800s?
Answer:
Explanation:
the germ theory explains why they might not have known
Because carbon can bond to one another, what shapes can they form?
What are 20 things that are found today on earth that demonstrate our connection to stars?
Answer:
Explanation:
telliscope moon rock mars rock sky and 1 1 1 1 1 1 1 1 1 1 2n3ehd ok i cant delteat that the next thing s books and of coruse the sun and also t