The answer is D. Permafrost because it is a non living (abiotic) factor.
1. Pathogens enter the body through a cut in the skin
2. Cells recognize the foreign invaders
3. Histamine is released
4. White blood cells travel to the invaded area
Hope it helps.
The anwser is number 2 I think,
Hope it helps!
a. bone structure is correct because many species look similar but we can't tell if they have an EVOLUTIONARY relationship unless we look at bone structure.
Answer:
Option E
Explanation:
Correlation and causation studies are two different things. Co-relation is a simple representation of relationship between two subjects A and B. It does not mean that A will be caused because of B or B will be caused because of A.
However, causation connects two variables “cause and effect.” The case of negative impacts produced by TV during childhood stage is more a cause and effect relationship than a co-relation
Hence, option E is right answer
