Answers by Zdenek Machek
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Answers by Zdenek Machek

Answers by Zdenek Machek
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When you are tanning yourself on the beach, which part of the atmosphere protects you from the harmful rays of the sun? A) stratosphere B) troposphere C) mesosphere D) ionosphere E) chronosphere
answered Apr 23, 2022
2 votes
30.0k views
For the sphere shown, r = 4.2 cm. What is its volume, to the nearest cubic centimeter?
answered Apr 23, 2022
3 votes
195k views
Describe sedimentary rocks
answered Apr 18, 2022
2 votes
174k views
According to “Can You Own Land in Outer Space?” is it legal for individuals to own land in space at the present time? Cite text evidence in your response.
answered Feb 25, 2022
5 votes
85.6k views
PLEASE HELP ME :( evaluate each expression 7-9
answered Oct 28, 2021
3 votes
204k views
Hamilton implemented a tax on imports known as?
answered Oct 20, 2021
5 votes
68.2k views
When someone provides his phone number to another person, he usually pauses after the area code and again after the next three numbers. This pattern underscores the importance of which memory principle?
answered Oct 7, 2021
1 vote
155k views
The price of a computer was decreased by 10% to £504. What was the price before the decrease.
answered May 20, 2021
4 votes
207k views
Find the equation of a parabola with a focus at (0,-1) and a directrix at y = 4.
answered May 6, 2021
6 votes
136k views
Who can appoint judges to the Supreme Court
answered May 5, 2021
6 votes
124k views
Gina Davidson has received $35,000 in a divorce settlement and is trying to decide how to invest it. She has looked at stocks but is uncertain as some stocks have lost a lot of value for their owners recently.
answered Apr 25, 2021
7 votes
26.1k views
A dog is 10 m from a cat, whose speeds are 6 and 5 m / s, respectively. What time does the dog require to catch the cat?
answered Apr 6, 2021
6 votes
167k views
What is the least common denominator (LCD) for these fractions? 1/12and3/4? 4 12 16 48
answered Mar 13, 2021
5 votes
4.8k views
What is nitrogen metal nonmetal metalloid PLEASE HELP ME!!!!!!!!!!
answered Feb 16, 2021
6 votes
138k views
In an aquatic ecosystem, the aquatic plants are eaten by small invertebrates that in turn are eaten by crayfish, the crayfish are eaten by fish, and the fish are eaten by ducks. In this system, the greatest
answered Mar 20, 2020
4 votes
148k views
The cotton gin was introduced in 1793. What was the effect of this invention in the US? O Production of cotton decreased by 32% between 1800 and 1820. O Production and export of cotton decreased by 50%
answered Mar 3, 2020
5 votes
99.0k views
The Abbasid capital was moved from Damascus, Syria, to _____.​
answered Feb 29, 2020
6 votes
23.9k views
12 less than a number is -75 find the number
answered Feb 6, 2020
3 votes
205k views
Is it building tension? Please help! It will be greatly appreciated!
answered Dec 15, 2019
3 votes
191k views
Classify the following company's strategy as price or nonprice competition. A grocery store says its fruit and vegetables are the freshest in town.
answered Oct 22, 2019
3 votes
205k views
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