It’s between d and c but d sounds better
I think the answer in this is c because it shows how the scientist worked in feilds
Answer:
The Full Moon Phase
Explanation:
After 14 days, the moon is 180 degrees away from the Sun, with the Sun, Earth and Moon, forming a straight line. The moon would completely be illuminated by the Sun. Hence, this is called the “full moon phase.” This is the only time during the entire month when the Earth's shadow could be close to the moon.
Answer:
Copper and Iron
Explanation:
Phosphorus and Carbon are main group elements.
Only phylum bryozoans were not present during Cambrian period. It is an extensive fossil that did not appear in Cambrian nor pre-cambrian rocks. Bryozoans are found in the early Ordovician period. It could have probably existed during the Cambrian period but were soft-bodied or not preserved.
