Answer:
A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. This pushing force is transformed, by a connecting rod and flywheel, into rotational force for work
Answer:
1In a hypothetical food chain consisting of grass, grasshoppers, sparrows, and hawks, the grasshoppers areprimary consumers. primary producers
Explanation:
<span>Pseudoscience contain of concepts that also
do not have evidence to support them or are directly opposed by evidence that occurs.
Science consists of concepts that are supported by an evidence. The only variance
among the two is evidence because that is the only thing that science contracts
with. Pseudoscience can become science just by determining evidence to support
it. People are actually good at supposing out how to do experiments to make
available the evidence so that there will be an assurance that the
pseudoscience that still remains will remain as it is. </span>
A body cavity<span> is any fluid-filled space in a multi-cellular organism other than those of vessels (such as blood vessels and lymph vessels). The human </span>body cavity<span> normally refers to the ventral </span>body cavity<span>, because it is by far the largest.</span>
I think the correct answer among the choices is option B. When antibodies are produced by lymphocytes, the body is conducting adaptive immunity. It is also referred to as acquired immune system. Adaptive responses are carried out be the white blood cells.