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knowing that the half-life of uranium-238 is 4.5 billion years, and based on the percent lead, what is the approximate age of each rock?

asked Dec 23, 2024

1 answer 29.4k views

Dent won the presidential election in 1912. altiple Choice: 32. Which of the following is NOT true about the United States in the late 19th century? A. Political machines lost influence B. Immigration

answered Dec 15, 2024

1 answer 162k views

A baseball team has three different pitchers. Randy allowed two runs and pitched three innings. Felix allowed four runs and pitched five innings. Johan allowed five runs and pitched seven innings. Which

answered Nov 20, 2024

1 answer 138k views

Which of the following are single-displacement reactions? Check all that apply. A. Cl₂(g) + KBr(aq) → KCl(aq) + Br₂(l) B. Mg(s) + 2H₂O(g) → Mg(OH)₂ + H₂(g) C. AgNO₃(aq) + NaCl(aq) → AgCl(s) + NaNO₃(aq)

answered Oct 3, 2024

1 answer 173k views

1. Covalent bonds are ones in which electrons are: Select the correct answer below: stolen from one another removed from each atom to form two cations shared by two atoms none of the above 2. Which electron-pair

answered Jul 29, 2024

1 answer 207k views

In pea plants, purple flowers (F) are dominant over white flowers (f). If two white flowers are crossed, what percentage of the offspring will be white flowers

asked Jul 2, 2024

2 answers 86.2k views

Public policy means the law that comes from the: 1) state legislature 2) executive branch of the government 3) courts that decide what would have a negative impact on society 4) d. Constitution

answered Jun 11, 2024

1 answer 165k views

The LREC reserves the right to ____________________ records if deemed necessary for an investigation or a hearing.

answered May 28, 2024

1 answer 225k views

Write an essay about global climate change.

answered May 22, 2024

2 answers 146k views

What should a phlebotomist do if personal protective equipment (PPE) is torn or punctured?

answered May 22, 2024

2 answers 102k views

When a site is chosen for a landfill, it is desirable to select a site that is underlain by a layer of clay. Why? What's so special about clay?

asked Apr 19, 2024

1 answer 128k views

What political conflict did Haiti face soon after gaining independence? Citizens rebelled against a powerful dictator. Haiti’s president became weak and ineffective. Two leaders began to struggle for control.

asked Apr 8, 2024

1 answer 8.9k views

Which of the following is a way that humans have increased the carrying capacity of the environment? a) Urbanization b) Deforestation c) Sustainable agriculture d) Industrial pollution

asked Mar 18, 2024

1 answer 211k views

White reflex in babys eyes, what should you do?

asked Mar 1, 2024

1 answer 105k views

If the atoms are identical, electrons are shared equally For example, in diatomic elements such as Cl2 . The bond is called a __ covalent bond

asked Jan 23, 2024

1 answer 222k views

What explanation should the student give as to why phototropism occurs in plants ?

answered Jan 19, 2024

1 answer 62.2k views

Ephraim the Snake is 3 feet long. Asia the Fish is 49 inches long. How much longer is Asia than Ephraim?

answered Dec 15, 2023

2 answers 122k views

A science test has 20 questions. A student answers 80% of the questions correctly. How many questions did the student answer correctly?

answered Dec 10, 2023

1 answer 142k views

Help please(work provided)

answered Oct 26, 2023

2 answers 135k views

Gracie is trying to read 48 books this year. So far, she’s read 16 book. How many books does she need to read per week if there are only 18 weeks left in the year?

asked Sep 16, 2023

1 answer 108k views

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