Meteoroids are often called shooting stars so your answer is C.
C. Meteoroids
Sex cells only contain one chromosome from each pair. When an egg cell and spermcell join together, the fertilised egg cell contains 23 pairs of chromosomes..
I am 99% sure that is the answer.
Answer:
The roots of the vegetation will loosen the soil
Explanation:
The roots of a plant grip on to the soil, holding it in place. If the roots are removed, the thing holding the soil together, then the soil will loosen and be easier to carry away by, wind, water, ice, or other factors.
Answer:
The right option is; B) the total variety of organisms on Earth.
Explanation:
The total variety of organisms on Earth explains biodiversity
Biodiversity is the variety and variability of all species (different plants, animals and microorganisms) from all sources (marine, terrestrial and other aquatic ecosystem) on earth or within a particular region. Biodiversity involves genetic diversity, species diversity and ecosystem diversity which all functions together to form the complexity of life on earth.
(I truly do apologize if I am wrong)
For example, a thermostat that controls the temperature in a house uses feedback. ... processes in a biological or economic systems use feedback to maintain a desirable state of the system.
