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HELP. humans have been burning fossil fuels rapidly for the past 250 years. As a result, the amount of atmospheric CO2 has increased by about ___% since the year 1800. A) 20 B) 40 C) 60 D) 80
answered
Dec 23, 2023
Biology
high-school
0
votes
69.5k
views
A block of pine wood , 4.0 cm on each side has of 27g what is the density of this block
answered
Apr 22, 2023
Mathematics
high-school
4
votes
28.4k
views
Anyone know what it says?
answered
Apr 8, 2023
Mathematics
college
5
votes
227k
views
Solve this system of equations byusing the elimination method.x - 5y = 164x – 2y = -8([?],
answered
Feb 10, 2023
Mathematics
college
4
votes
185k
views
Sergio is texting his friend Nayeli. Complete each of their texts by writing the correct form of ser or estar. Tip: First, decide whether you need to use ser or estar, Then write the verb form that matches
answered
Jan 30, 2023
Spanish
college
1
vote
171k
views
An examination paper consists of 12 questions divided into two parts A and B. Part A contains 7 questions and Part B contains the remaining questions. A candidate required to attempt 8 questions selecting
answered
Dec 16, 2022
Mathematics
college
6
votes
211k
views
3x2-5×-21 Help me please
answered
Dec 8, 2022
Mathematics
high-school
4
votes
217k
views
The price of parking for 2 hours or less at the airport is increasing from $2.50 to $5.00. What is the percent of price increase?
answered
Aug 26, 2022
Mathematics
college
10
votes
108k
views
How many solutions does it have A infinitely solutions B two solutions c no solutions D one solution
answered
Aug 22, 2022
Mathematics
high-school
5
votes
46.5k
views
What is the area of the object above
answered
Jul 12, 2022
Mathematics
college
7
votes
128k
views
In f(x) = -x + 2x-1, the constant term is -x. True False
answered
May 31, 2022
Mathematics
high-school
11
votes
92.3k
views
Find the present value of $19,000 in 11 months at 5.1% interest
answered
May 3, 2022
Business
college
7
votes
155k
views
1pt What do we call the force produced by the interaction of electricity and magnets? O A. electricity O B. electromagnetism O C. gravity OD. magnetism
answered
Apr 29, 2022
Biology
college
9
votes
82.0k
views
(-4z+1) (5z-2)= solution plz.
answered
Apr 10, 2022
Mathematics
high-school
3
votes
79.7k
views
A spermatozoa has to survive the long voyage if it to be the one to find and fertilize a mature ovum. Which statement best describes how the seminal vesicles contribute to the sperms' chance of survival
answered
Feb 21, 2022
Biology
high-school
5
votes
109k
views
Which fraction is less than 5/8 A. 3/4 B. 11/16 C. 13/16 D. 2/4
answered
Sep 20, 2021
Mathematics
high-school
1
vote
224k
views
The Treaty of Tordesillas was an agreement made by Pope Alexander VI in 1494 to divide the world between ________ and ________ along a north-south line 1100 miles west of the Cape Verde Islands.
answered
Sep 6, 2021
Social Studies
high-school
4
votes
195k
views
I need help please
answered
Aug 6, 2021
Mathematics
college
3
votes
192k
views
Select the correct answer Choose the answer that makes the sentence most effective. The soda shop always serves root beer in a frosted drinking container. A goblet B. glass No change is needed.
answered
Aug 2, 2021
English
middle-school
3
votes
188k
views
Name two planets without satelites
answered
Jul 21, 2021
Geography
high-school
4
votes
177k
views
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