Questions by Ruud De Jong

Questions by Ruud De Jong

8. A keystone species is one that has top-down effects on the entire community. Their presence can affect all other members, even if the effects are indirect. Consider a prairie ecosystem food web (shown).

asked Dec 21, 2024

1 answer

4 votes

69.7k views

Which is not true regarding the regulation of the lactose operon? a. optimal expression of the lactose operon requires the activity of the activator protein cap b. glucose levels affect lactose operon

asked Dec 9, 2024

1 answer

3 votes

149k views

P(x)=2x+2(x+4) to determine the perimeter of the flower box based on the width x in feet

asked Aug 21, 2024

1 answer

5 votes

172k views

_____ mean different things to different people, so you should choose your ______ carefully. (same answer for both fill in the blanks) A) Words; Body language B) Gestures; Words C) Emails; Phone calls

asked Aug 20, 2024

1 answer

3 votes

4.0k views

For you what is philippine literature

asked Jul 9, 2024

1 answer

5 votes

197k views

What are the ways in which the weaknesses in the articles of confederation were fixed?

asked Jun 6, 2024

1 answer

3 votes

183k views

evidence for evolution:a) only comes from fossils of modern organisms.b) only comes from fossils of extinct organisms.c) includes anatomy of living as well as extinct organisms.d) can be found by comparing

asked May 22, 2024

1 answer

4 votes

124k views

Which of the following is most likely to be a fixed cost? A. shipping charges B. property insurance premiums C. wages for unskilled labor D. expenditures for raw materials

asked Feb 19, 2024

2 answers

2 votes

49.6k views

1) A boat traveled 144 miles each way downstream and back. The trip downstream took 6 hours. The trip back took 24 hours. What is the speed of the boat in still water? What is the speed of the current?

asked Jan 7, 2024

1 answer

0 votes

180k views

Which term is defined as the change from liquid water to water vapor? O sublimation condensation O deposition Cevaporation

asked Dec 7, 2023

2 answers

12 votes

112k views

PLEASE HELP Fill in the blanks below with the correct units.

asked Oct 26, 2023

1 answer

3 votes

171k views

Photosynthesis is the chemical process in which plants and other organisms combine carbon dioxide and water, using energy from the Sun, to produce ______ and ______. Question 1 options: sugar oxygen sugar

asked Jun 27, 2023

1 answer

19 votes

140k views

B+c=10/a, solve for a, literal equation

asked Mar 5, 2023

1 answer

3 votes

178k views

A scientist hopes to launch a weather balloon on one of the next three mornings. For each morning, there is a 40% chance of suitable weather. What is the probability that there will be at least one morning

asked Oct 16, 2022

1 answer

5 votes

38.9k views

"Fourscore and seven years ago our fathers brought forth on this continent a new nation, conceived in liberty and dedicated to the proposition that all men are created equal. Now we are engaged in a great

asked Oct 3, 2022

1 answer

2 votes

50.5k views

Out of her 5 gigabyte data plan, Debbie has used 37%. How much data does she have left?

asked May 9, 2022

1 answer

5 votes

225k views

According to the Centers for Disease control and prevention, 20.8 of high school students currently use electronic cigarettes. A high school counselor is concerned that the use of e-cigs at her school

asked Apr 22, 2022

1 answer

5 votes

144k views

You need to make an aqueous solution of 0.150 M sodium fluoride for an experiment in lab, using a 500 mL volumetric flask. How much solid sodium fluoride should you add?

asked Mar 7, 2022

1 answer

6 votes

111k views

E={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16} A={x:x is a multiple of 3} B={x:x is a factor of 24} C={x:x is an odd number} (i) Find (a) n(B),

asked Dec 9, 2021

2 answers

2 votes

141k views

If the sphere shown above has a radius of 5 units, then what is the approximate volume of the sphere? A. 166.67 cubic units B. 500 cubic units C. 41.67 cubic units D. 33.33 cubic units

asked Oct 11, 2021

1 answer

3 votes

231k views

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