I believe the correct answer from the choices listed above is option A. Harry Hess used new technologies made available in the 1950s to observe and measure seafloor spreading. Harry Hess<span> describes the theory of sea-floor spreading. Hope this answers the question.</span>
Answer:
i can not help you with that sorry
Explanation:
Answer:
observations and inferences.
Explanation:
Scientific knowledge is based on observations and inferences.
:) brainly will always be accepted.
Answer: hope this helps....
Explanation: organic sources of nitrogen include alfalfa meal, which supplies 2 percent to 3 percent nitrogen and lasts approximately one-third of the year. Dairy and poultry manure also can release suitable amounts of nitrogen fresh or composted manure can also be from an acceptable organic source such as small independent farms.
Biotic. A term that describes a living or once-living organism in an ecosystem. (Have a good day!)