<span>The two basic molds are: Expendable
mold and permanent mold. </span>
Molding is a
process where a rigid frame (mold) is being used to manufacture by shaping liquid
or pliable raw materials. However, molding is synonymous to casting; casting is
a process where a liquid metal is delivered into a mold which contains a hollow
cavity of the intended shape.
Expendable mold casting can be classify as
sand, plastics, plaster which make use of non-reusable or temporary molds while Permanent mold casting is a metal
casting process that use reusable molds.
Answer:
26- Zone of aeration- Soil and rock that both contain water
27- Groundwater- Water held underground
28- Zone of saturation- Saturated with water
29- Sinkhole- Hole in the ground caused by erosion
30- Sediment- Material that is broken down by weathering or erosion
31- Floodplain- Low-laying ground next to the river or water area
32- Caverns- A large cave or chamber
B because I’m pretty sure only whales and dolphins have blowholes
The Hazard Communication Standard fits this definition best. This standard is created by OSHA to reduce the amount of workplace incidents that involve the handling of hazardous materials.
Answer:
Nucleic acids
Explanation:
it is important for continuity of life and it carrys the genetic blueprint cells
