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Bad White [126]
4 years ago
15

Properties of water Classify each statement as an example of adhesion, cohesion, or surface tension. Match each statement to the

appropriate category.
a. A sewing needle floats when it is placed gently on top of water in a bucket.
b. Water molecules ding to plant cell walls. A water strider runs across a pond without breaking the surface.
c. A drop of water spilled on a table forms a drop on the table, rather than spreading out over the surface.
d. Water molecules cling to the side of a beaker. Water molecules are attracted to each other.
Biology
1 answer:
ch4aika [34]4 years ago
7 0

Answer:

c

Explanation:

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Answer:

The answer is concentrated

Explanation:

Concentrated targeting strategy may also called niches targeting. This is a situation whereby an organization /firm directs all its energy or efforts on a single market part.

Penguin Catering Services used concentrated targeting marketing because it focus/limit its  target to only event at resorts in its geographical region.

4 0
3 years ago
BRAINLIESTTTT ASAP!!! PLEASE HELP ME :)
alexgriva [62]

A) A metal forms a + charged ion, so D2+

B) A nonmetal forms a - charged ion, so A-

C) C2-

D) B+

6 0
3 years ago
How are temperature and salinity related in a thermohaline circulation pattern?
katovenus [111]

Answer:

The correct answer is option D.

Explanation:

Thermohaline circulation is the circulation of currents in the deep ocean due to the density of the water which is controlled by heat and salinity. Water in the ocean posses layers or defined boundaries based on the density which provides driving force to the deep ocean currents.

Formation of these layers is due to the sinking of the cold water in the basin which and ice formation which leaves the salt in the seawater ,therefore, increasing salinity. This increased salinity increases its density and the surface water is replaced by the sinking water causing deep ocean currents.

Thus, option D is the correct answer.

5 0
3 years ago
Polar bears and grizzly bears share a common ancestor (similar to you and your cousin sharing a grandparent); Describe some sele
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3 years ago
** ALL MY POINTS**
Flura [38]

PART 1


1. The answer is low frequency electromagnetic waves are able to go around obstacles due to their larger wavelengths. This characteristic of lower frequency waves is due to their ability to diffract around obstacles such as buildings and hills. Therefore, they transmit over long distances unlike high frequency electromagnetic waves.

2. One disadvantage is interference. Electromagnetic waves of the same frequency transmitted at the same time will interfere with one other and therefore the signal will be lost or scrambled. Other electromagnetic waves such as microwaves are affected (interfered with) by weather elements.

3. Analogue signals are continuous signals with wave-like properties while digital signals are discrete signals or pulse (ons (1s) and offs (0s) that represent bits). Analogue signal is represented by a sine-wave while digital signal is represented by discrete squares waves.

4. Digital signals are less immune to eavesdropping unlike analogue signals. Analogue signal is also more prone to distortion unlike digital signal. Digital signals transmit more data than analogue signals. Digital signal draw less energy to transmit compared to analogue signal.

5. Broadcasting of TV is nowadays using digital signals due to the high number of available channels. Computers and the interne utilize digital signaling to transmit data. Controls systems such as radar system also use aspects of analogue waves. Sensors also utilize analogue waves especially transducers such as seismology equipment.


PART 2


1. One way is by sending radio waves to probes sent out in space to give them commands during exploration. Radio telescopes also pick up naturally-occurring radio waves from space and analyze the data to make conclusions about space and the astronomical objects.

2. Radio waves are used in communication by transmitting data over long distances. One example is its use TV transmission. Another is through military defense of airspace. The radio waves are used to detect enemy intrusion into restricted airspaces using radar.

3. It is common that signal from the environment will be in analogue signal format. The conversion to digital signals allows for the digital equipment in the telescope to interpret and analyze the data. Telescopes prefer digital equipment because they consume less power, handle more data, and are less prone to intrusion, and distortion, hence more secure to analogue equipment.



3 0
4 years ago
Read 2 more answers
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