Recent activity by David Urry

Recent activity by David Urry

By measuring the rotation curves of galaxies beyond the Milky Way, astronomers have determined that dark matter exists in individual galaxies. Because dark matter is a part of galaxies, astronomers need

answered Nov 3, 2024

1 answer 148k views

Which of the following should you consider when making short, local trips? a)combining two trips into one b)finding lodging c)finding places to stop and rest d)determining where to get fuel

asked Oct 17, 2024

1 answer 202k views

Find an integer between square root of -9 and 3/2

asked Oct 14, 2024

1 answer 60.6k views

If the electrode is moved too fastWhen arc welding__________ a. A wide bead will result b. Not enough metal will be deposited. c. Excessive weld metal will be used d. The bead will be too high.

asked Oct 7, 2024

1 answer 165k views

1 Which process includes script writing, storyboard design, shot list, casting, and location scouting? A. Pre-Production B. Production C. Post Production

asked Sep 21, 2024

1 answer 42.6k views

For what values of b are the given vectors orthogonal? ⟨−8,b,4⟩,⟨,bb²,b⟩ a) b=0 b) b=2 c) b=−1 d) b=1

asked Sep 9, 2024

1 answer 161k views

12. what evidence did Clair Patterson use to argue that the levels of lead in the environment weren't natural?

answered Aug 11, 2024

1 answer 72.3k views

Chris makes $16 per hour at his job. He works twice as many hours on the weekend as he does on during the week. He wants to earn at least $500 this week. Weill he meet his goal if he works 11 hours during

asked Jul 5, 2024

1 answer 158k views

What are some reasons why a person might not be able to communicate properly at the current time?

answered Mar 29, 2024

1 answer 189k views

Where do Christian and Hopeful bathe and eat in gardens that belong to the Lord Emmanuel? A) The Delectable Mountains B) The Valley of the Shadow of Death C) The Valley of Humiliation D) The Celestial

asked Mar 9, 2024

1 answer 61.1k views

the most important feature for the beginning of a civilization was… a.rocky land b. river valley c. mountainous terrain d. ocean

answered Feb 16, 2024

1 answer 22.6k views

Light can be bent by massive objects. Is this true or false?

asked Dec 8, 2023

1 answer 59.1k views

Geometry this equation is killing me

answered Dec 3, 2023

2 answers 16.7k views

How did Guglielmo Marconi create the radio?

asked Nov 26, 2023

1 answer 60.2k views

Find the area A of the largest rectangle that can be inscribed under the curve of the equation below in the first and second quadrants. y = e−x2

asked Nov 26, 2023

1 answer 210k views

What was the MAIN purpose of the Navigation Acts passed by Parliament: to authorize the British Navy to defend colonial ships to fund the building of new merchant ships to encourage colonial trade with

asked Oct 20, 2023

1 answer 226k views

Raul is mixing a cleaning spray. The instructions say to combine 2 parts vinegar and 1 part water. Raul wants to make 24 fl oz of the spray. How many fluid ounces of vinegar and how many fluid ounces of

answered Oct 8, 2023

2 answers 86.5k views

I need help pls help me fast

asked Jun 20, 2023

1 answer 134k views

Which artist is known for his “studies of the arm”

answered Feb 26, 2023

2 answers 156k views

What was world war 1?

answered Dec 11, 2022

1 answer 159k views

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