The answers are
1. Matter
2. Biosphere
The Sun's outer gases extend far beyond the photosphere (Figure 6). Because they are transparent to most visible radiation and emit only a small amount of light, these outer layers are difficult to observe. The region of the Sun's atmosphere that lies immediately above the photosphere is called the chromosphere.
Development is where the growth of the embryo occurs. After fertilization and implantation, the growth of the embryo occurs once it gets to the uterus. This is the part where the procedure where the embryo turns into a living being over time - depending on the animal that has the said embryo.
Answer: Neutral
Explanation:
“6.5 to 7.5—neutral. over 7.5—alkaline. less than 6.5—acidic, pH less than 5.5 are considered strongly acidic.“
whereare the solutions a,b,c