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4 years ago

In July 1994 the comet

Biology

1 answer:

KiRa [710]4 years ago

6 0

Answer:

The correct answer is B) the gravitational attraction that exists between all

bodies.

Explanation:

Every plant has a gravitational force which extends beyond its atmosphere.

The formula for calculating this gravitational pull is given as follows:

Fg= GMm/r2

$F_{g}$ = Force of Gravity

G = Gravitational Constant

M = Mass of the Planet

m = The Comets Mass

r = The distance between the centre of the comet and that of the planet

The force of gravity of the Planet can cause the comet to move faster in it's course towards the planet. This is called centripetal acceleration.

Cheer.

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If your cells need to respond rapidly to a changing environment, would you want their effect to be short-

lesya692 [45]

Answer:

The environments in which cells grow often change rapidly. For example, cells may consume all of a particular food source and must utilize others. To survive in a changing world, cells evolved mechanisms for adjusting their biochemistry in response to signals indicating environmental change. The adjustments can take many forms, including changes in the activities of preexisting enzyme molecules, changes in the rates of synthesis of new enzyme molecules, and changes in membrane-transport processes.

Initially, the detection of environmental signals occurred inside cells. Chemicals that could pass into cells, either by diffusion through the cell membrane or by the action of transport proteins, and could bind directly to proteins inside the cell and modulate their activities.

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4 years ago

What is the graphical representation of age structure known as?

gayaneshka [121]

Answer:

The graphical representation of the age structure is known as age pyramid (option D).

Explanation:

The age pyramid or more properly called population pyramid groups all the individuals of a population, distributing them by age and sex. The name is due to the fact that, in general, the bar graph resembles a pyramid.

The age groups are distributed in the pyramid by age from lowest (bottom) to highest (top), with the sexes forming the sides of the pyramid.

In emerging countries the population is relatively young, which makes the base of the pyramid wide, narrowing as it moves up to the upper age groups.

Age group, age graph or age scale do not correspond to the population graph where the age and sex structure of a population are expressed.

8 0

3 years ago

Hello, plz answer

aksik [14]

The term pioneer is used to describe the species that first colonize new habituate created by disturbance

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3 years ago

Mia is homozygous for type B blood, and Jake has type O blood. They want to know what type of blood their child will have. what

nadya68 [22]

Answer:

It will be 50% I think. Or 75%.

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3 years ago

Compare and contrast properties of sister chromatids and homologous chromosomes. drag the appropriate items to their respective

Katarina [22]

<h2>Answer:</h2>

The primary stage is prophase. The nucleolus vanishes and the two centrosomes start to frame the mitotic spindle. The axle extends between two inverse shafts f the cell. Next is the metaphase. The centromeres of the chromatid sets adjust at the focal point of the thematic axle.

At that point anaphase, the centromeres will part that isolates the chromatid combine. They are presently called chromosomes. The last stage is the telophase. The chromosomes will at that point frame a string like chromatin and for throb envelope, a nucleolus shows up.

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3 years ago

Read 2 more answers