The correct answer is option D. Mars is a long distance away.
According to the universal law of gravitation, the effect of the force of gravity decreases as the distance increases. The gravitation force is inversely proportional to the radius or the distance. So, the gravitational force exhibited by the Mars is not experienced by us due to the large distance.
alluvial fans
Explanation:
An alluvial fan is an example of a land feature formed by river erosion.
River erosion is the activity of water removing weathered materials from loose rock surfaces.
- An alluvial fan usually forms in an area where a stream flows outward from a hill or mountain down to the valley floor,
- It is usually fan shaped with finger-like projections outwards.
- Close the hill, we have coarse particles like boulders.
- The sequence fans outward as the river loses its erosisive power.
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Answer: (B) Archaebacteria
Explanation: Archaebacteria, like all prokaryotes, have no membrane bound organelles. This means that the archaebacteria are without nuclei, mitochondria, endoplasmic reticula, lysosomes, Golgi complexes, or chloroplasts. Because<u> these organisms have no nucleus</u>, the genetic material floats freely in the cytoplasm.
<u>The presence of </u><u>embryos </u><u>is the features would definitively identify this organism as a </u><u>land plant.</u>
How could you determine if a plant is heterosporous?
Male and female reproductive structures are located on separate plants.
What is embryo of plant?
Definition. (botany) A young, developing plant, such as the rudimentary plant inside the seed of higher plants or that inside the archegonium of mosses and ferns.
What is embryo and its function?
- An embryo is an early stage of a multicellular organism's development.
- Embryonic development is the phase of life cycle that starts right after the male sperm cell fertilizes the female egg cell in sexually reproducing animals.
What is Heterospory ?
Heterospory characterizes plants that produce spores of different sizes: megaspores and microspores which give rise to separate female and male gametophytes, respectively.
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<u>The complete question is -</u>
On a field trip, a student in a marine biology class collects an organism that has differentiated organs, cell walls of cellulose, and chloroplasts with chlorophyll a. Based on this description, the organism could be a brown alga, a red alga, a green alga, a charophyte recently washed into the ocean from a freshwater or brackish water source, or a land plant washed into the ocean. The presence of which of the following features would definitively identify this organism as a land plant?
Answer:
hi
Explanation:
i think so...
Eris would have a larger orbit and would take a longer time to travel round the Sun than Pluto.
Eris would be very cold.
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