The answer is C and D.
I hope this helps. Good luck!
1,560,000 milliseconds is 26 minutes and 26 minutes is about .43 hr
so the second one is the correct answer
They provide an important habitat!
Answer:
The most appropriate answer would be A sperm cell fertilizes an egg cell.
In sexually reproducing organisms including plants, life starts as a single-celled zygote which is formed by the fertilization of sperm and egg.
The zygote then divides through mitotic division to form an embryo.
After fertilization In angiosperms, the ovule matures to form seed and ovary matures to form fruit.
In gymnosperms, zygote develops into a new sporophyte.
The correct answer is:
fixation
Explanation:
Nitrogen fixation is a method by which nitrogen in the Earth's atmosphere is converted into ammonia or other molecules prepared to living organisms. Nitrogen fixation is carried by a diversity of bacteria, both as free-living organisms and in symbiotic association with plants. Because it is the primary source of the nitrogen in the soil, nitrogen that plants need to grow, nitrogen fixation is one of the most critical biochemical processes on Earth