Hello there.
Question: <span>In seed producing plants pollen grains contain what
Answer: It is vegetative cells.
Hope This Helps You!
Good Luck Studying ^-^</span>
Some abiotic factors that can limit a population are space and weather these are called limiting factors (and how much water is provided)
Irrigation system gave the ancient civilizations fertile land which helped crops grow. It also allowed for ease of watering which made the process of farming faster.
It is nonliving because it is just more metal, except it is changing.
The best answer is option D.
Acid rain is simply rainfall that has been rendered acidic due to water vapor reacting with nitrogen oxide ad sulphur dioxide very high up in the atmosphere.
Acid rain is not only a threat to the ecosystem and environment, but also seriously damages buildings and sculptures.
Marble and limestone are especially vulnerable to acid rain. This is because the two building or construction materials contain calcite which is easily dissolved by acid.
Concrete surfaces and paint finishes are also seriously damaged by acid rain.
