Chemistry

Recently Asked Questions In Chemistry

Question
7. What situation occurs when members of two differs
produce fertile offspring?
Answer

The situation is called hybridization or hybrid fertility.

Download to view full explanation
Hybridization occurs when members of two different species mate and produce offspring that are fertile. This means that the hybrid offspring can reproduce and have viable...
Question
Work
Logging involves people cutting down trees to acquire
timber for uses such as building homes and making
paper. How would logging affect a pine forest
ecosystem? Choose the two that apply.
Answer

Logging would reduce the number of trees in the pine forest ecosystem, and could disrupt the balance of the food chain.

Download to view full explanation
Logging would reduce the number of trees in the pine forest ecosystem, which could lead to a decrease in the amount of habitat available for animals and plants...
Question
Some examples of nastic movements are:
Plants grow very tall to reach light.
New buds grow on the side of certain plants.
The morning glory plant only opens its flower petals in the morning, leaves them open for several hours, and then closes them for the rest
of the day.
Venus flytraps can quickly snap their leaves shut if something touches them.
Some trees produce fruits that are edible and protect the seeds.
Answer

Nastic movements are plant movements in response to environmental stimuli, such as growing tall to reach light, producing new buds, opening and closing flower petals, quickly snapping leaves shut, and producing edible fruits.

Download to view full explanation
Nastic movements are plant movements in response to environmental stimuli, such as growing tall to reach light, producing new buds, opening and closing flower petals...
Question
Which of the following layers of
the atmosphere touches the
surface of Earth?
A. stratosphere
B. mesosphere
C. troposphere
D. thermosphere
Answer

C. troposphere.

Download to view full explanation
The troposphere is the lowest layer of the Earth's atmosphere, and it is the layer that is closest to the surface of the Earth. It...
Question
Gonzalez, Amalia
Save
Reviow
2.
How does the speaker most likely feel in the second stanza?
A. I Excited
B. ( Left out
Special
D. © Frustrated
3.
Answer

D. Frustrated

Download to view full explanation
The speaker in the second stanza expresses feelings of being left out and feeling special, which suggests that they are feeling frustrated...
Question
6. Why is water referred to as the universal solvent?
7. Pick two properties of water and describe how water's polarity allows
these properties to occur.
Answer

6. Water is referred to as the universal solvent because it is able to dissolve more substances than any other liquid. 7. Water's polarity allows it to act as a solvent, meaning it can dissolve other polar molecules, and it also has a high surface tension, which allows it to form strong hydrogen bonds with other molecules.

Download to view full explanation
6. Water is referred to as the universal solvent because it is able to dissolve more substances than any other liquid. This is due to its pol...
Question
Early airplanes were deployed in the pursuit of Pancho Villa, but weren't much help. The
National Defense Act of 1916 mobilizes over
National Guard troops.
O 100k
O 200k
O 400k
O 300k
Answer

O 300k

Download to view full explanation
The National Defense Act of 1916 mobilized over 300,000 National Guard troops...
Question
Name the three primary tree species in the taiga.
Answer

Spruce, Fir, and Larch.

Download to view full explanation
The taiga is a biome located in the northern hemisphere, primarily in the boreal forests of North America, Europe, and Asia. It is...
Question
GRAMMATICA
18. L'espressione con un'anima sola (v. 183) è un com-
aTO plemento di
A.O modo
B. O mezzo
C. • compagnia
D.D unione
Produrre
Answer

C. compagnia.

Download to view full explanation
In this context, the phrase "con un'anima sola" refers to someone who is alone or solitary. The word "compagnia"...
Question
7. Go the flower shop, the drugstore, and the supermarket
a. across b. behind c. opposite d past
Answer

a. across

Download to view full explanation
The answer is a. across because the question is asking for the direction in which the flower shop, drugstore, and supermarket are located relative to each...
Solve any homework question FREE with our app, NO PAYMENT required!