Answer:
B. To help keep workers safe from unsanitary, corrupt, and dangerous working conditions.
Explanation:
Workers began to protest and denounce what they perceived as the unsanitary, corrupt and dangerous working conditions. That was the beginning of the labor movement.
Unions enhanced workers' ability to strike and demand concessions from the employers. Paid leave, social security, minimum wages, insurance (medical insurance in most European countries) ... those were some of the things the labor movement (boosted by unions) achieved around the world.
Maarten Schmidt found the spectral lines were high redshift (had their emission lines shifted toward longer, redder wavelengths by the expansion of the Universe)
<span>The puzzle about quasar spectra, which was finally solved by Maarten Schmidt, was </span><span>the brightest known quasar</span>.
Answer: 
Explanation:
Given
A Planet is moving at a rate of 3 cm/year
distance between planets is 1500 km
and 1 km=1000 m
1 m=100 cm
No. of years required to cover 1500 km=
Answer:did you get the answer? if so i really need help
Explanation: