Recent activity by Adriaan Pelzer

Recent activity by Adriaan Pelzer

In the late 1600s, English astronomer Edmond Halley presented a model of Earth’s structure. Halley originally claimed that Earth was composed of an outer rocky shell and an inner rocky sphere, separated

asked Dec 18, 2024

1 answer 188k views

Like the Pentateuch the Gospel of Matthew can be divided into

answered Dec 18, 2024

1 answer 156k views

What is the value of N in 0.94×2.14=N?

asked Nov 27, 2024

1 answer 80.9k views

How many ways are there to deal hands from a standard playing deck to four players if?

answered Nov 19, 2024

1 answer 213k views

A football kicker attempted to make field goals from different distances from the goal post. The relationship between the distance from the goal post and the number of field goals made is shown in the

answered Oct 17, 2024

1 answer 81.7k views

For certain photochemical reactions, multiple photons are required per molecule to initiate the reaction. How many photons is needed to initiate a photochemical reaction that requires 6.8 x 10⁻²⁰ kJ energy

asked Sep 17, 2024

1 answer 97.3k views

Find the measure of the missing angle. helppp

answered Jul 26, 2024

2 answers 235k views

A friend tells you N2 has three π bonds due to overlap of the three p-orbitals on each N atom. Do you agree? a) Yes. b) No.

asked Jun 19, 2024

1 answer 209k views

In cost control earned value referes to: a. How much moeny of the budget should have been spent in view of the planed cost of work b. How much of the budget should have been spent in view of the amount

answered Jun 9, 2024

1 answer 131k views

Use simple present to talk about "at the time " and routines how___you ____ (cope) with stress? well , i___ (take) a course in aromatherapy rigth now ,and i ___ (enjoy) it. but everybody in my family is

answered Mar 14, 2024

2 answers 197k views

For the balanced equation shown below, 2N₂O5 → 4NO2 + O₂ how many moles of NO2 will react with 0.8861 moles of N₂O5?

answered Mar 4, 2024

1 answer 125k views

List four ways that an identity thief can use your identity to commit a crime.

answered Feb 29, 2024

1 answer 9.0k views

Determined the total number of electrons of the s and p orbitals for the following elements: He= ? B= ? N= ? Na= ?

asked Feb 12, 2024

1 answer 137k views

Subtract the following: 25 minutes 20 seconds from 37 minutes 50 seconds

asked Feb 4, 2024

2 answers 192k views

You have been assigned to write an article that will be published at the time of the Summer Olympics. In this article, you must give "Olympic style" awards to the parts of the cell based upon their importance

asked Jan 20, 2024

1 answer 31.2k views

Reduce the given system to echelon form to find a single solution: 1 . x₁-3x₂-14x₃-6x₄=0 2. 3x₁-2x₂-7x₃-10x₄=0 3. x₁+3x₂+16x₃+x₄=0 Please provide the steps or details on how to reduce this system to echelon

asked Jan 15, 2024

1 answer 147k views

If a line has a slope of 4 and goes through the point open parentheses short dash 1 comma 1 close parentheses, then the equation for the line in slope-intercept form is ______________. a.) y equals short

asked Sep 15, 2023

1 answer 196k views

Select all the expressions that are equivalent to 16^5/2

asked Sep 4, 2023

1 answer 181k views

For how many years did Britain lease the colony of Hong Kong? O fifty-nine seventy-nine O ninety-nine

asked Aug 28, 2023

1 answer 42.7k views

What is the main idea of the pledge of allegiance?

answered Aug 18, 2023

1 answer 188k views

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