The answer is All of these for m<span>utagens cause changes (mutations) in the genetic material of cells. Teratogens cause irreversible, deleterious structural malformations in fetuses. Carcinogens cause cancerous tumors with a characteristically crablike appearance.</span>
Answer:
B
Explanation:
A solar system is just a few planets which are smaller than nebulae or galaxies.
Nebulae is pretty much a cloud of dust and gas but it's still smaller than a galaxy
And then the universe kind of includes <em>everything </em> so there's nothing bigger than that
Answer:
The reason why cities tended to develop in the region of the fall line of rivers is because of the need to offload goods from the ships since navigation will be hindered at the zone.
Explanation:
Fall line is a region that separates the upland or mountainous zone from the lowland river bodies, where waterfall also occurs. The waterfall in this region tends to expose the beneath bedrock materials and stop the movement of riverboats and ships upstream. Therefore, the boats must offload their goods, which tends to induce the formation of ports and majorly settlement by commercially oriented people who are willing to utilize the opportunity to trade on the commodities offloaded. The emergence of cities along the river fall lines is owing to this reason.
Calcium, a chemical element with symbol Ca and atomic number 20. Calcium is a soft grayish-yellow alkaline earth metal, fifth-most-abundant element by mass in the Earth's crust
Answer: I don’t know
Explanation:
Is there a specific question?