Recent activity by Ben Gubler

Recent activity by Ben Gubler

How do scientists "know" the atmospheric levels of carbon dioxide that existed on Earth hundreds or thousands of years ago?

asked Dec 20, 2024

1 answer 161k views

Enzymes used in process compared to transcription and DNA replication

asked Dec 12, 2024

1 answer 180k views

If J, and L are Collinear and K is between j and l, what is the length of jk if Kl=9 and JL=17

asked Nov 20, 2024

1 answer 153k views

Fully factorise the following expression in a suitable factor form x^2+6x+8

answered Oct 28, 2024

2 answers 87.2k views

Correct the one word that is spelled incorrectly. Susan awoke to a rumble of thunder and peered out her bedroom window just in time to see a flash of lightining on the horizon.

answered Oct 25, 2024

1 answer 181k views

Which of the following would be the diagnosis if an individual intentionally fabricated physical or psychological illness? a) Conversion disorder b) Somatic symptom disorder c) Factitious disorder d) Panic

asked Sep 23, 2024

1 answer 144k views

Which equation represents circle A?

answered Aug 23, 2024

1 answer 19.4k views

A local barista serves coffee at 85°C. You add ice to cool it to 55°C. How many ice cubes are needed, considering specific heat and the heat of fusion of water? a. 3 b. 2 c. 4 d. 1

answered Aug 9, 2024

1 answer 59.0k views

You are at the edge of a cliff. You whistle and hear your echo in 2.5 seconds. Assume the speed of sound at that location is 340 m/s and the frequency of your whistle was 680 Hz. What is the wavelength

asked Aug 3, 2024

1 answer 171k views

Bistable (Biphasic) systems A) Systems with two stable states B) Systems with one stable state C) Systems with multiple unstable states D) Systems with no stable states

answered Jun 13, 2024

1 answer 187k views

A bag contains 3 red, 4 blue, and 6 yellow marbles. One marble is selected at a time, and once a marble is selected, it is not replaced. Find the probability of selecting a red or yellow marble. a) 1/2

asked May 19, 2024

1 answer 207k views

Personal Letter #1. Write a friendly letter to a relative or friend. Follow the format shown in “Structure and Form of Personal Letters.” After it has been checked by your teacher, it would be a good idea

answered Mar 18, 2024

1 answer 153k views

Inactive type II nuclear receptors are located in the nucleus while inactive type I nuclear receptors are A. Bound to the nuclear envelope B. Anchored in the cytoplasm by chaperone proteins C. Tethered

answered Feb 24, 2024

1 answer 105k views

50 ml of standard hard water containing 15 g of calcium carbonate per liter required 20 ml of edta solution for end point. calculate that 1 ml of above edta solution will be able to react with how much

answered Feb 19, 2024

1 answer 226k views

What were some of the first plant and animal domesticates of the Middle East?

asked Jan 19, 2024

1 answer 191k views

Which of the following is found in both the Porifera or the Cnidaria phyla? a) Asexual reproduction by budding b) Nerve net c) Heart and blood vessels d) Bilateral symmetry

answered Jan 10, 2024

1 answer 201k views

Calculate the Volume and surface area

asked Dec 18, 2023

1 answer 153k views

Which word could mean either "very lightly cooked meat" or "seldom found or seen"?

answered Nov 28, 2023

2 answers 197k views

Help help help me please

answered Oct 26, 2023

1 answer 229k views

Find the domain for the rational function f(x)=x+4/3x-5

asked Oct 19, 2023

1 answer 118k views

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