Topsoil is the most fertile soil layer for plants.
Specialized cell junctions<span> occur at points of cell-cell and cell-matrix contact in all tissues.</span>
Answer:
Genetic diversity is an advantage of sexual reproduction because it reduces the occurrence of unfavorable genetic traits and a variety of genes would lessen the chance of the extinction of a population due to environmental changes. The variation between a genetically diverse species will guarantee at least some of it survive when presented with different climates or challenges.
A: no
In barium examinations, you want to see if something it's obstructing, like the colon. You only use a front view.
B: yes
When you want to see if everything it's alright about the spine, you need to analyze the curvature, and for that, you need front and side view.
And, is the only radiographic tool that can be done in antero-posterior and lateral views.
C: no
When you are looking for trauma or bone breakage, you may need only a side view or front view.
D: yes
If you are looking for any trauma or emergency, you need different positions of the bone to discover any breakage.