According to the fossil record, how long ago do scientists believe life on Earth first appeared?
Answer:
B
Explanation:
We know that life began at least 3.5 billion years ago, because that is the age of the oldest rocks with fossil evidence of life on earth.
What causes polar jet streams to form?
Ocean currents change the temperature of air masses. Cold ocean currents transport heat from the equator to the poles.
Ocean currents change the temperature of landmasses. Cold ocean currents transport heat from the equator to the poles.
Ocean currents change the temperature of landmasses. Warm ocean currents transport heat from the equator to the poles.
Ocean currents change the temperature of air masses. Warm ocean currents transport heat from the equator to the poles.
Answer:
i think that it is the last one: Ocean currents change the temperature of air masses. Warm ocean currents transport heat from the equator to the poles.
Explanation:
hope this helps!
The following table was made to compare rocks and minerals. What information in the table needs to be corrected?
A. Rocks do have specific chemical compositions and minerals do not have specific chemical compositions.
B. Rocks include granite and marble, minerals include quartz and diamond.
C. Rocks do have specific chemical compositions and minerals do as well.
D. Rocks include quartz and diamond, minerals include granite and marble.
The correction that is needed to be made is that rocks do have specific chemical compositions and minerals do as well. The correct option is C.
What are minerals?Minerals are elements found on the Earth and also in foods which our bodies require for normal development and function.
Minerals generally have certain specific chemical compositions, but it is not in case of rocks.
Thus, the correct option is C.
For more details regarding minerals, visit:
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Alison finds the total mass of a sample of baking soda, a balloon, and a glass container with vinegar in it. She adds the baking soda to the vinegar and immediately places the balloon over the mouth of the container. After the reaction is complete, she again finds the total mass of the system.
Which statement is true:
1. The mass does not change because chemical changes observe the law of conservation of mass.
2. Mass is gained during the reaction because a chemical change is taking place.
3. Mass is lost during the reaction because the gas is less dense than the baking soda or vinegar.
4. Mass is lost during the reaction because the gas can change in volume but baking soda and vinegar cannot.
Answer:
2. Mass is gained during the reaction because a chemical change is taking place
Carryonlearning:)
Leaves are a part of a plant’s shoot system. The phloem tissue in leaves transports-
A. glucose produced during photosynthesis
B. oxygen needed to undergo photosynthesis
C. pollen from the stigma to the ovary
D. bacteria needed for nitrogen fixation in roots
thanks!
Answer:
A.
Explanation:
I'm pretty sure it's A, glucose produced during photosynthesis.:) Hope it helps.
why does Earth have so much biodiversity
Which best describes the relationship between chromosomes, genes, and inherited traits?
Answer:
Genes are located within chromosomes. Genes determine the passing and expression of inherited traits from parent to offspring.
Explanation:
YW!
Check all locations where a pulse can be taken.
carotid
brachial
radial
femoral
popliteal
dorsalis pedis
Answer:
carotid
brachial
radial
femoral
popliteal
dorsalis pedis
Explanation:
These are all places where your pulse can be taken.
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
How does the Coriolis effect impact the Gulf Stream and the Brazil Current?
It turns the Gulf Stream southwest and the Brazil Current northeast.
It turns the Gulf Stream northwest and the Brazil Current northeast.
It turns the Gulf Stream northeast and the Brazil Current southwest.
It turns the Gulf Stream northeast and the Brazil Current northwest.
Answer:
The Coriolis effect acting on these currents causes northern hemisphere gyres to move in a clockwise direction and southern hemisphere gyres to move in a counterclockwise direction.
Explanation:
The Coriolis effect does the impact on the Gulf stream and the Brazil Current by turning the Gulf Stream towards northwest and Brazil Current northeast. Thus, the correct option is B.
What is Coriolis effect?The Coriolis effect results in bending the direction of surface currents to the right in the Northern Hemisphere and left in the Southern Hemisphere. The Coriolis effect causes winds and currents to form the circular patterns. The direction in which they spin depends upon the hemisphere in which they are present.
Coriolis Effect is named after the French mathematician and physicist Gaspard-Gustave de Coriolis. It affects the weather patterns of an area, it affects the ocean currents, and it also affects air quality.
Therefore, the correct option is B.
Learn more about Coriolis effect here:
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why unfavorable traits do not usually get passed to offspring? No links please
Answer:
traits that hinder survival eventually disappear
Explanation:
living things adapt to their surroundings
Answer the question below i give brainliest
Answer:
The team members shared their graph with other sports teams at their school.
Explanation:
This sentence talks about them sharing (COMMUNICATING THEIR RESULTS) to other teams of the same school. The other sentences say what they did for the experiment and what happened.
pls mark brainliest and happy new year!
Answer: The team members shared their graph with other sport teams at their school
this part of the passage describes communicating the findings
pls mark me brainiest
plz help me now !!!!!!!!!!!!!!!!!!!!
Answer:
imagine 2
Explanation:
tha is the answer
Answer:
I think the answer is image 2
Explanation:
A wave of infrared light has a speed of 6 m/s and a wavelength of 12 m. What is the frequency of this wave?
A. 0.5 Hz ✅
B. 2.0 Hz
C. 18 Hz
D. 72 Hz
Answer:
Explanation:
The frequency of the wave is 0.5 hertz.
La frecuencia de la onda es de 0,5 hercios.
Answer:
A. 0.5 Hz.
Explanation:
I know you got the answer, but plz mark me as brainliest. I need a lot of those.
Why do regions/places have different types of climates? Try to give an example in your answer
Answer:
The climate of a region depends on many factors including the amount of sunlight it receives, its height above sea level, the shape of the land, and how close it is to oceans. Since the equator receives more sunlight than the poles, climate varies depending on its distance from the equator.
Answer,because of the bench marks
Explanation:
regions have different type of climates because of various reasons it could be determined by the fove benchmarks equator ,arctic circle,antartic circle,tropic of cancer and capricorn.
Match each type of fossil to the description that best matches.
Answer:
1. B. 2. D. 3. A. C.
Explanation:
That's the best I could do. With it so blurry.
How are seatbelts related to inertia? Write you answer in complete sentences.
I need answer asap!!!
Answer:
Seat belts are in cars to the effects of inertia. ... When the car hits the wall, you would keep moving in a straight line and at a constant speed until the dashboard applies a force. Seat belts hold you and passengers down, protecting them from their own inertia.
Explanation:
their is the answer so okay
Answer:
Inertia is the tendency of an object to resist a change in velocity.
When a car stops suddenly, your body is still going at the same speed the car was before it stopped (say 65 MPH). Without the belt strapping you in from behind, you would fly forward at nearly that same speed (65).
But thanks to the seatbelt, it stops your body's inertia.
What are the segments of DNA that code for specific traits called?
Answer:
it would be C, genes.........
What is being described in the passage?
Answer:
I think it's a tectonic plate(also called lithospheric plate). :D
Hope this helps.
Explanation:
Pls give brainliest.
Unscramble the word in red to complete each sentence. (Refer to lesson if necessary)
are prokaryotes more common than eukaryotes
Answer:
Yep.
Explanation: Prokaryotes are more common, hope im not too late lol
can someone tell me for these 2 questions
Answer:
Enzymes
Stamen
Explanation:
You're correct for the first question, the second question's answer is Stamen.
In 14 days, the daily high temperature in Cedar Hills dropped by 16.8 degrees Fahrenheit. What is the average daily rate of change in the high temperature in degrees Fahrenheit?
A. +2.2
B. +1.2
C. +1.1
D. -1.2
E. -2.2
Answer:
B
Explanation:
Divide 16.8 by 14
Give at least two reasons why you feel the ecosystem chosen by your group is the best choice. We chose lake. I don't know what to say lol. Will give 69 points.
Characteristics of physical properties include: (check all that apply)
Group of answer choices
B. Properties that can be observed without changing the identity of the object or substance
A. Properties that we see through a change of color
D. None of these
C. Color, shape, size, density, density
How do you know that an object in space is moving through the sky?
Answer:
See explanation
Explanation:
Objects in the sky could really be moving. You and tell if you stand vary still and focus on the object. Or they reflect our motion through space, which makes it look like the object is moving.
Need help pls due
Pls help
Answer:
This may be the case because of the placements of the spread. While one is more cluttered, the other is a bit more spread apart. Meaning that the GeoChart on the right must have more cases, exactly because of their population.
help pleas im super slow i hate science
Answer:
I think it's option c 'Biotic and Abiotic'Other than coral bleaching , what are other effects of the increased heat and carbon dioxide absorption by oceans ?
A: Depletion of fish stocks
B: Droughts
C: All of the above
D: Hurricanes
Which is the youngest rock in this strata?
mudstone
siltstone
limestone
sandstone
conglomerate
Answer:
I think it is sand stone I hope it is right
Which is the oldest rock in this strata?
mudstone
siltstone
limestone
sandstone
conglomerate
Answer:
I am 100% sure it is the mudstone. I believe they are the oldest rock in existence.
Explanation: