Answers by Huiyan Wan
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Answers by Huiyan Wan

Answers by Huiyan Wan
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After pigs learned to pick up and deposit wooden coins in a piggy bank, the pigs subsequently dropped the coins repeatedly and pushed them with their snout. This best illustrates the importance of ________
answered Nov 1, 2021
4 votes
55.4k views
The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition. A "1" is the derived condition. How would you construct a cladogram using these data?
answered Oct 22, 2021
5 votes
172k views
If two polynomial equations have real solutions, then will the equation that is the result of adding, subtracting, or multiplying the two polynomial equations also have real solutions?
answered Oct 3, 2021
3 votes
203k views
At the rate shown in the table, how many weeks did it take to sell 700 books? [Type your answer as a number.]
answered Aug 8, 2021
3 votes
186k views
this writing system was developed in the 9th century and is used extensively throughout Russia and parts of eastern Europe and west-central Asia.
answered Feb 9, 2021
6 votes
46.8k views
We have three identical metallic spheres A, B, C. Initially sphere A is charged with charge Q, while B and C are neutral. First, sphere A is brought into contact with sphere B and then separated from it.
answered Jan 18, 2021
4 votes
11.4k views
Divide a 8 foot sandwich into pieces that are 3/4 of a foot long. How many 3/4 foot pieces are there?
answered Jan 6, 2021
5 votes
149k views
According to Section 33 of the Texas Bill of Rights (Article 1 of the Texas Constitution), Texans are guaranteed the right to use and access public beaches. This is not a right that is protected under
answered Dec 13, 2020
7 votes
77.0k views
Examine these two paintings that depict famous events from American history. The image on the left, painted in 1940, shows the signing of the U.S. Constitution in 1787. The image on the right, painted
answered Feb 24, 2020
6 votes
145k views
Not sure of the answer hope an expert can help
answered Oct 5, 2019
5 votes
150k views
Caleb made the table below to show the number of hours he works and the amounts he earns over a four-week period. Caleb’s Earnings Hours 12 15 18 21 Earnings (in dollars) 140 170 200 230 Which describes
answered Sep 27, 2019
7 votes
190k views
In controlled experiments, members of the experimental group are exposed to the suspected cause by select one: a. the members of the groups themselves b. a random process c. the experimenters
answered Sep 13, 2019
5 votes
37.7k views
True or false: the carrying capacity of a given geographic region for a single population can change over time. true or false: the carrying capacity of a given geographic region for a single population
answered Aug 25, 2019
3 votes
50.1k views
Twelve less than a third of a number is -10
answered Jul 30, 2019
2 votes
132k views
Graph the equation y=x^2-1
answered Jul 8, 2019
1 vote
177k views
List and define the two types of stereoisomerism in coordination compounds?
answered May 28, 2019
0 votes
114k views
In "Casabianca," where is the boy when the poem begins? On the enemy ship, observing the wreck On the deck of the burning ship Below decks, looking for his father Trapped on the ship, trying to escape
answered Dec 19, 2018
3 votes
25.3k views
Which of the following statements best explains the conditions that led to the reign of terror a. the committee of public safety had absolute power b. the directory had limited power c. napoleon bonaparte
answered Jul 6, 2018
2 votes
37.2k views
The mass percent of hydrogen in hydrogen peroxide, h2o2, is
answered Jun 21, 2018
2 votes
183k views
I NEED HELP! In my first days at the conservancy, I learned a lot about sea turtles, like their amazing instincts and adaptation —that a green sea turtle could hold its breath for as long as five hours,
answered May 16, 2018
2 votes
7.1k views
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