BIOLOGY HIGH SCHOOL

Fill in the blank: When you paddle a boat in the water. the force of your paddle will push the water which will apply an equal force back on you. There is very little resistance to this motion because there is a limited _______ force between the canoe and the surface of the water due to the smooth surface​

Answers

Answer 1
Answer:

Answer:

frictional

Explanation:

This scenario follows Newton's third law of motion which alludes to the fact that for every force or action exerted by a person on a body there is an equal and opposite reaction exerted back.

Because there is a limited frictional force (a force exerted by an object when an object moves across it) between

  • the canoe and
  • water surface (the opposite force/reaction)

Here, the paddle helps the boatman apply a force on the water, resulting in the opposite amount of force been sent back; pushing the boat forward.

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COMPARE THE LOUDNESS OF SOUND WAVES THAT ARE IN PHASE WHEN THEY INTERFERE WITH THE LOUDNESS OF SOUND WAVES THAT ARE OUT OD PHASE WHEN THEY INTERFERE

Answers

Loudness of a sound relates the intensity of any given sound to the intensity at the edge of hearing.

The loudness of sound waves that are in phase will be twice as loud as they would be by themselves, if they are out of phase, a beat will be produced, or maybe a neighborhood of no sound at all.

Intensity of sound

The intensity of a sound is the power of the sound in Watts divided by the area the sound covers in square meters. The loudness of a sound relates the intensity of any given sound to the intensity at the edge of hearing.

Thus, the sound waves that are in phase will be twice as loud as they would be by themselves,if they are out of phase, the beat will be produced.

To know more about the loudness of sound waves follow the link:

brainly.com/question/11989801
The loudness of sound waves that are in phase (experiencing constructive interference) will be twice as loud as they would be by themselves. If they are out of phase, a beat will be produced, or even an area of no sound at al

Complete this statement. A person with Rh+ blood may receive blood that is __ or __, while a person with Rh- blood can only receive __ blood.

Answers

A person with Rh+ blood may receive blood that is Rh+ or Rh- , while a person with Rh- blood can only receive Rh- blood.
Complete this statement. A person with Rh+ blood may receive blood that is RH or HR while a person with Rh- blood can only receive RH blood.

What was the purpose of religious camp meetings in the early 1800s?

Answers

Revivals. They would gather large groups of people together and preach for lengthy periods of time, often more than three hours. These were occumpanied sometimes by odd twitchings (the holy twitches) People falling d wn and rolling on the ground, and shouting. It helped to convert People to a certain denomination, but it is important to note that mostly women attended these revivals

State one tectonic event affecting North America that occurred the same time as the palisade sill intrusion

Answers

There are many tectonic events happened affecting the North America that occurs during the palisade sill intrusion. One of these is the rifting of North America. This event is called Midcontinent Rift System. It occurs in the center of North American continent. 

All of the flower mechanisms would help prevent pollination by a foreign species except __________.

Answers

The given question is incomplete. The complete question is:

All of the flower mechanisms would help prevent pollination by a foreign species except __________.

A. A pollen tube grows in the style of its own species.

B. The stigma is sticky mainly to its own species of pollen.

C. The timing of flowering keeps pollinators moving among a limited number of species.

D. Flowers attract a small number of specialized pollinators, and therefore pollen is not spread equally to all available species of flowers.

E. Flowers of different species are the same color and attract similar pollinators.

Answer:

E. Flowers of different species are the same color and attract similar pollinators.

Explanation:

Plants of different species develop various morphological, physiological and behavioral strategies to ensure that the flowers of one species are not pollinated by pollens from any other species. One such structural adaptation is the production of flowers of a different color, size and shape.

These structural distinctions allow specific pollinators to visit the flowers of the particular species only. It ensures pollens from a different plant species do not land on the flowers of some other species. Production of flowers of the same color by different plant species would attract same pollinators and may result in pollination by a foreign species.

What is Amber made up of?​

Answers

Answer:

Amber, which is in fact a fossil, is often held in the same class as semi-precious stones such as turquoise and jade because of its ornamental uses. Unlike these stones, amber is not mineralized. Rather, it is simply the fossil of resin. Most that exists today is between 30 and 90 million years old. derived from the resin of extinct species of trees.

Explanation:
Amber is fossilized resin from conifers.
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