1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
In-s [12.5K]
3 years ago
12

When you knock on a door, what causes you to hear a sound?

Chemistry
1 answer:
I am Lyosha [343]3 years ago
3 0

Answer: B.

Explanation:

You might be interested in
1) How does the oxpecker benefit?
Bezzdna [24]

Explanation:

1)

Oxpeckers are a type of small bird that land on zebras and eat ticks and other parasites that live on the zebra's skin. The oxpeckers get food and the zebras get pest control. ... Tapeworms get food by eating the host's partly digested food, depriving the host of nutrients.

2)i. Fast Speed. Basically, we can process data that is stored in HDFS at lightning-fast speed with traditional SQL knowledge, by using Impala.

ii. No need to Move Data. ...

iii. Easy Access. ...

iv. Short Procedure. ...

v. File Format. ...

vi. Big Data. ...

vii. Relational model. ...

viii. Languages.

3) A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites.

In the Internet, a hostname is a domain name assigned to a host computer. ... For example, en.wikipedia.org consists of a local hostname (en) and the domain name wikipedia.org. This kind of hostname is translated into an IP address via the local hosts file, or the Domain Name System (DNS) resolver.

4) Usually, although parasites harm their hosts, it is in the parasite's best interest not to kill the host, because it relies on the host's body and body functions, such as digestion or blood circulation, to live. Some parasitic animals attack plants.

5)The pollen sticks to the hummingbird and as the hummingbird goes to another cardinal flower for food the pollen is spread. This would qualify as a mutual relationship because both of the organisms benefit from the relationship. ... These two organisms have a relationship that is known as mutualism.

6)According to Campbell, moose populations are highest in areas 40 years after a major wildfire. But habitat loss is not the only probable cause of moose decline. Tiny ticks also could be a big problem. ... Without deep snow, then predators like wolves and mountain lions have an advantage over moose.”

Deforestation Led to Decline

The reasons why wolves have seen their population decimated mainly due to the diminishing forests in North America, where many of the wolves are found. Wolves were able to live in and survive in such an environment.

5 0
2 years ago
Is it true or false I need help.
dsp73

Answer:

true

Explanation:

4 0
3 years ago
Which is the most important factor in determining the state of a substance?
Contact [7]
Temperature, that's the most important factor
3 0
3 years ago
Total number of atoms in 4so2​
Sunny_sXe [5.5K]

Answer:

10

s=8

o=2

Hope it helps to

3 0
3 years ago
CAN SOMEONE PLEASE HELP ME ASAP?!!!!
krok68 [10]
A and d is physical, b and c is chemical
4 0
3 years ago
Other questions:
  • What volume would 56.2 mL of gas at 820 mm of Hg occupy at 720 mm of Hg?
    15·1 answer
  • 4 Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piec
    15·2 answers
  • Determining nitrogen balance in the clinical setting can be very valuable. To determine a client’s state of nitrogen balance, a
    10·1 answer
  • For many purposes we can treat ammonia (NH) as an ideal gas at temperatures above its boiling point of -33.C. Suppose the temper
    15·1 answer
  • Which type of rock forms as a result of cooling and crystallization?
    15·2 answers
  • Which of the following large-scale environmental catastrophes has the least effect on aquatic ecosystems?
    6·2 answers
  • Considering the patterns you have noticed in this activity, which statement best explains why a compound with the molecular form
    15·1 answer
  • Blood found in the circulatory system transports many materials, including nutrients, gases and wastes. Which of the following b
    12·1 answer
  • Convert 19,864 mm to m​
    15·2 answers
  • Radioactive phosphorus-32 decays with a half-life of 14.0 days. A chemist obtains a fresh sample of phosphorus-32 and measures i
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!