I think the answer is scientific research sorry if I’m wrong
The answer is soil hope it helps :)
Answer:
Sources of study of interior of earth:
Deep ocean drilling reveals humongous information through analysis of materials collected at different depth.
Volcanic eruption deliver information by the means of molten magma that comes out of Earth’s interiors.
Surface rocks are readily available earth material.
Answer:
An advantage to heterospory is endosporic gametophyte.
The endosporic gametophyte do permits for embryonic formation. It prompts it to have a reduced vulnerability to varying form of environments.
The second advantage that heterscopy could offer to plants is ensuring of a well apportioned nutrient filled environment.
The well apportioned nutrient filled environment is formed as a result of the megasporangium been adhered to the sporophytic plant body. This sees to promote a good formation of the embryo.
A further advantage of heterscopy is the aftermath of fertilization.
This integument is hard as it is necessary to preserve the female gametophyte and embryo.
1/16 of a pound is in one pound because there are 16 oz in 1lb.
