Answer:
A, They mapped the land and reached the Pacific Ocean, helping the US set claim.
Add-on:
I hope this helped at all. I'm sorry if its incorrect.
The appropriate choice for the non-event is ...
... A. The costs of sewing machines began to increase.
_____
Interchangeable parts generally reduce costs and increase demand (and production).
Answer:
The answer is Option C: Index fossils.
Explanation:
Index fossils are used to identify geologic periods or faunal stages in rock layers. These fossils must have a wide geographic distribution and manifest obvious evolutionary trends to help geologists and others who need this geological data to better understand the time scale and to pinpoint a time period. For example, ammonites were common during the Mesozoic Era, but they were extinct by the Cretaceous period. Geologists would use ammonites to help determine this time frame if present.
The answer is C. Dead leaves
Answer: Cow manure has long been used as a fertilizer for crops and gardens. Not as toxic as chemical fertilizers, manure adds beneficial organic material to soils, which helps prevent soil compaction. Soils are better able to retain moisture.
Explanation:
