Recently Asked Questions In Chemistry

Question

Of the following elements, which is a metal? *

• Sulfur

O Silicon

• Aluminum

Answer

Aluminum

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Aluminum is a metal, while sulfur and silicon are non-metals. Metals are elements that are good conductors of heat and electricity...

Question

wally discussion frompts

7th Grade Week 24 Days 116-120

EC February 17

Due: Tuesday, February 21, 2023 at 11:59 pm • & Locks on Sunday, March 19, 2023 at 11:59 pm

Ocean currents bring deep, nutrient-rich water to the surface. What causes these currents to move upward?

a. Warm rainwater mixes with surface water, pushing deep water upward.

b. Cold surface water from the poles sinks, pushing deep water upward.

c. wind currents cause surfate water to sink, pushing deep water upward

d. Surface runoff from rivers causes warm water to sink, pushing deep water upward.

Answer

b. Cold surface water from the poles sinks, pushing deep water upward.

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Cold surface water from the poles sinks due to its higher density, pushing deep water upward and creating ocean currents...

Question

Please give the past participle of the given irregular verb: devoir

A. devoiré

B. du

C. devoiru

D. do

Reset Sol

Answer

The past participle of the irregular verb "devoir" is "dû".

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Sure! "Dû" is the past participle of the French verb "devoir", which means "to have to" or "must...

Question

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U5 SWYK 2

Which of the following statements about adding and subtracting positive and negative numbers is correct

THERE ARE ONLY 3 ANSWERS

Adding a negative IS the same as

subtracting a positive. Example: 6 + (-3) = 6 - 3

Adding a negative is the same

as subtracting a negative. Example: 6 + (-3) = 6 - (-3)

0 Adding a positive iS

the same a subtracting a negative. Example: -6 + 3 = -6 - (-3)

O Adding a positive is the same as

adding a negative. Example: -6 + 3 = -6 + (-3)

0 Adding a negative will

in always result in the answer being negative

0 Adding a positive will always result in the answer being positive

O A negative a plus a negative will

always give you a negative answer. Example: -6 + (-3) = -9

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Answer

Adding a negative is the same as subtracting a positive. Example: 6 + (-3) = 6 - 3. Adding a negative is the same as subtracting a negative. Example: 6 + (-3) = 6 - (-3).

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When adding and subtracting positive and negative numbers, it is important to remember that adding a negative is the same as subtracting a positive, and...

Question

Section Quiz

did Mexico break relations with the United States? What

ent between the two nations caused war?

Answer

Yes, Mexico broke relations with the United States in 1845. The annexation of Texas by the United States was the main event that caused the Mexican-American War.

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In 1845, the United States annexed Texas, which had been a part of Mexico. Mexico did not recognize Texas as an independent nation...

Question

2. How does

ogrography lead to speciation?

Answer

Orography can lead to speciation by creating physical barriers that prevent gene flow between populations, leading to the formation of distinct species.

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Orography is the study of mountains and other landforms. It can lead to speciation by creating physical barriers that prevent gene flow between...

Question

If the allele B represents black fur and the allele b represents white fur, what

would be the phenotype of an animal with the genotype Bb?

O A. Spotted fur

B. Gray fur

O C. White fur

D. Black fur

SUBMIT

Answer

Spotted fur

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An animal with the genotype Bb would have a phenotype of spotted fur, as it would have both black and white fur...

Question

L what ways have humans caused more opportunities ior tlooding events ?

Answer

Humans have caused more flooding events by altering natural landscapes, such as through deforestation, urbanization, and climate change.

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Humans have caused more flooding events by altering natural landscapes, such as through deforestation, urbanization, and climate change. Deforestation removes trees and...

Question

A word or concept of great significance.*

Answer

Significance.

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Sure, significance is a word that carries a lot of weight and importance. It refers to the quality of being important or having meaning. Something that...

Question

' Question 10

2 pts

When rivers or streams are dry, what do we typically see on their beds

(i.e., bottoms)?

O solid rock

O sand

O old cars

sand castles

Answer

Sand

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When rivers or streams are dry, the bottom of the river or stream typically consists of sand...