Questions by Scmccart

Questions by Scmccart

True or false? Elements are impure, meaning that different samples of an element have different properties.

asked Dec 18, 2020

1 answer

0 votes

98.0k views

Compared with pure cultures grown in the lab, microbes in nature usually experience a wider range of environmental conditions, more variation in conditions over time, and more contact with other organisms.

asked Oct 24, 2020

1 answer

4 votes

20.8k views

Two asteroids collide and stick together. The first asteroid has a mass of 15\times 10^3\,\mathrm{kg}15×10 3 kg and is initially moving at 770 \, \mathrm{m/s}770m/s. The second asteroid has a mass of 20

asked Jul 25, 2020

1 answer

3 votes

141k views

Can someoone help me please (20 POINTS) ASAPPP

asked Jun 15, 2020

1 answer

4 votes

60.5k views

1. La moneda nacional de la República Dominicana es __. el peso dominicano el nuevo sol el dólar estadounidense el córdoba 2. La capital de la República Dominicana es __. San Pedro de Macorís Puerto Plata

asked Jan 5, 2020

1 answer

0 votes

172k views

95,234 rounded to the nearest ten tho

asked May 9, 2019

2 answers

0 votes

126k views

Joanna went school supply shopping. She spent $32.49 on notebooks and pencils. Notebooks cost $2.41 each and pencils cost $1.46 each. She bought a total of 19 notebooks and pencils. How many of each did

asked Apr 7, 2019

1 answer

0 votes

54.5k views

What's this question? thx

asked Aug 11, 2018

2 answers

0 votes

34.4k views

what is real but fake and can feel but no feelings and in the dark but in the sun and we can't see them but they can see us? my teacher gave me this riddle I don't get it

asked Jun 22, 2018

1 answer

4 votes

72.5k views

Positive parenting focuses on teaching children rather than making them pay for their mistakes.

asked Apr 19, 2018

2 answers

5 votes

22.7k views

A family left their house in two cars at the same time. One car traveled an average 7 miles per hour faster than the other. When the first car arrived at the destination after 5 1/2 hours of driving, both

asked Apr 11, 2018

1 answer

0 votes

87.0k views

How do you find 40 percent of 65

asked Oct 5, 2017

2 answers

2 votes

11.4k views

How do scientists distinguish between an element and a compound? List two elements and two compounds.

asked Feb 15, 2017

2 answers

4 votes

210k views

Paul owes Paula 35 cents and has a pocket full of 5-cent coins, 10-cent coins, and 25-cent coins that he can use to pay her. What is the difference between the largest and the smallest number of coins

asked Dec 5, 2016

1 answer

0 votes

128k views

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