Answer:
gravel, rocks with cracks, loosely packed soil
Explanation:
all tree has room for water to flow through
Answer:
C
Explanation:
Protozoa have been classified into three trophic categories: the photoautotrophs which harness the sun's radiant energy in the process of photosynthesis; the photoheterotrophs, which although phototrophic in energy requirements, are unable to use carbon dioxide for cell synthesis and must have organic carbon compounds
the intercourse of a human or animal to make babies
Answer: 37.2 trillion cells