<span>Stents help keep coronary arteries open and reduce the chance of a <span>heart attack.</span></span><span><span>The stent holds the artery open and allows blood to flow more freely.</span> </span>
Answer: proteins
Explanation: Ribosomes are the protein builders or the protein synthesizers of the cell.
Answer:
a biotic habitat and an abiotic habitat.
Explanation:
Abiotic factors refer to non-living physical and chemical elements in the ecosystem. Examples of abiotic factors are water, air, soil, sunlight, and minerals. Biotic factors are living or once living organisms in the ecosystem. These are obtained from the biosphere and are capable of reproduction.
Which one of the following is NOT true about mechanical weathering?
a. produces smaller pieces
b. adds to the effectiveness of chemical weathering
c. does not change the rock's mineral composition
d. does not affect metamorphic rocks
Answer is D, d. does not affect metamorphic rocks