Answer:
A. the number of individuals that must exist for a species to continue
what does an unconformity in a sequence of rock layers reveal about geologic history?
a. An organism went extinct during that time
b. a layer of rock might have eroded causing a gap in the record
c. the layers of rock cover hundreds of square miles
d. the new rock layers have been deposited very quickly
Rocks in the Earth's mantle contain a higher percentage of _______ and _______ than do rocks in the Earth's crust.
A- silicon and oxygen
B- iron and silicon
C- iron and magnesium
D- magnesium and oxygen
if you traveled 45,000 meters at a velocity of 4.5 m/s how many hours would it take
Show an explanation
Answer:
i dnt knw to be hhonest
Explanation:
Answer:
This better be right You travel 4 miles down a road you get there in 2 hours what is the speed.
Explanation:
If an object is moving and the forces acting on it are unbalanced in the direction of motion, the object will...
only 2 hours left pls helppp
Explain the impact of objects in space on each other including: (1) the sun on the earth's and (2) the moon on the earth.
Answer: Its from 2. since are taking impact by the meteors.
Explanation:
Plants give off oxygen as part of photosynthesis. Explain the impact of this process on humans.
Answer:
Humans breathe in the oxygen that the plants produce, in return we breathe out carbon dioxide which is what plants breathe in so in total, we both are helping each other.
The process of photosynthesis is helpful for humans because it involves production of oxygen, essential for human lives.
The given problem is based on the process of photosynthesis and the effect of photosynthesis on humans.
The photosynthesis is the process by which the green plants and other organisms utilize the sunlight to prepare nutrients from carbon dioxide and water.Photosynthesis in plants involve the green pigment known as Chlorophyll, which is responsible for the production of oxygen into the atmosphere.And humans breathe in the oxygen that the plants produce, in return we breathe out carbon dioxide which is what plants breathe in so in total, we both are helping each other.Thus, we can conclude that the process of photosynthesis is helpful for humans because it involves production of oxygen, essential for human lives.
Learn more about the photosynthesis here:
https://brainly.com/question/1376764
Plz help i'll award brailest to best answer
Answer:
1. Vibrations - the cause of sound
2. Prism - triangular, transparent solid that separates the colors of light.
3. Refract - bend
4. Rainbow - light refracted into the spectrum by raindrops.
5. Pigment - a coloring matter.
6. Pitch - the frequency of sound
7. Crest - the top of a light wave
8. Speed of light - 186,000 MPS.
9. Visible light spectrum - band of color that make up sunlight.
10. White - reflects all colors of light
Given a force of 90 N and a acceleration of 30 m/s/s, what is the object’s mass?
What is an advantage nuclear power has over solar or wind? *
Nuclear power is cheap.
Nuclear power is reliable.
Nuclear power is clean.
Nuclear power can be built anywhere.
Answer:
it more reliable
Explanation: Nuclear power is 2.5 to 3.5 more reliable than wind and solar
A block of wood 3.0 cm on each side has a mass of 27 g. What is the density of this block?
(please explain I will mark brainliest)
What is the simplest way to build a graph of kinetic and potential energy?
Answer:
analize the levels of kinetic and potential energy and look up a guide to graph it and follow that
Explanation: