Answer: D, to create the soil
Explanation:
Primary succession occurs on basically empty, lifeless land with no soil. Pioneer species are the first plants to colonize the land after primary succession, which means they are very primitive and can survive without soil. Since there is no soil, their role is to create soil for more advanced organisms to survive in the area in the future.
Answer:
A theory.
Explanation:
A scientific theory is the product of related observations supported by evidence acquired through scientific investigation. An example of a theory includes the theory of evolution (which explains observations in the fossil record, phylogenetic patterns observed in species, and these results have been aquired through scientific investgation and analysis of things like the genome of species, and archeaological evidence)
O2 is a Gas , we aspire it from the air
Hyperkalemia, depolarization
Hope this helps.
Answer:
True, the animal Hierarchy a channel for face-saving resolution of conflict.
Explanation:
Face-saving is an action designed not to cause embarrassment to a person while holding a negotiation or a conversation (Folger, Poole & Stutman, 2008). In conflict and its resolution, face-saving is always geared towards preserving dignity, self-respect, personality, or good reputation of the people involved in the conflict, and negotiation. Face-saving, being one of the strategies involved in conflict negotiation, has seen scholars advancing several theories to explain this concept.
The animals hierarchy for vertebrates start from fishes - amphibians - reptiles - birds and mammals (most dominant ).
