Answer:
temperature, atmosphere pressure,wind, topography, humidity etc
A) leaving a copper penny in vinegar until it turns green
Sound waves actually travel much faster in water than air, but words and the direction of the noise are distorted.
Answer:
the work done by the lawnmower is 236.14 J.
Explanation:
Given;
power exerted by the lawnmower engine, P = 19 hp
time in which the power was exerted, t = 1 minute = 60 s.
1 hp = 745.7 watts
The work done by the lawnmower is calculated as follows;

Therefore, the work done by the lawnmower is 236.14 J.
Answer:
Because psuedoscience is a collection of beliefs or practices mistakenly regarded as being based on scientific method.
And it is most of the time false
Explanation: