Why do you think most solid objects sink when put in liquids?

1 answer:

5 0

This causes a net force on the object acting upwards. ... So, for objects that weigh less, per unit of volume than water, the buoyancy force will cause the object to float. For objects that weigh more, per unit of volume (i.e: are more dense) the buoyancy force can't quite win out and the object will sink.

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What environmental stimulus is most likely to result in a more rapid heartbeat in an animal?

Kipish [7]

Answer:

This question is incomplete, the options are:

A) Decreased temperature

B) Strong southerly winds

C) Presence of a predator

D) Lack of water

The answer is C

Explanation:

A stimulus is something that provokes a response or reaction in a living organism. It can either be internal or external. An animal can respond to stimulus such as hunger, heat, predator etc.

However, among all the listed stimuli in the options, the PRESENCE OF A PREDATOR is most likely to result in a more rapid heartbeat in an animal. This is because the predator stimulus will require the animal to respond by running in order to survive. Running will increase its metabolic activity and cause its heartbeat to increase.

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Use examples to explain how the geosphere interacts with two other of Earth's spheres. Explain the interaction for each using co

svetlana [45]

Several examples of sphere interactions can be inferred from this photograph: Humans (biosphere) built a dam out of rock materials (geosphere). Water in the lake (hydrosphere) seeps into the cliff walls behind the dam, becoming groundwater (geosphere), or evaporating into the air (atmosphere).

<h3>(PLEASE MARK ME AS BRINLIEST)</h3>

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3 years ago

Charles washes his hands every time he passes either the bathroom or the kitchen sink. Before he goes to bed at night, he checks

FromTheMoon [43]

In reality this is way too little information to go on, and it would be irresponsible to make any assumptions about an individual based on what was provided here alone, but for the sake of merely answering a High School Bio question:

the answer is A. OCD.

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3 years ago

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Based on your prior knowledge, make a claim about the factors that cause inherited genetic variations within populations. Also m

solniwko [45]

Answer AND Explanation:

<u>FACTORS THAT CAUSE GENETIC VARIATIONS</u>

Crossing over. At the chiasmata during prophase I of meiosis, breakage may occur and exchange of genetic information may take place. New gene combinations which result in variations.
Independent assortment. The arrangement of homologous chromosomes at the equator of the spindle during metaphase of the first meiotic division is random. These homologous chromosomes segregate into different daughter cells which contain different genetic combinations which brings about variation
Fertilisation permits parental genes to be brought together in different combinations. This is the cause of variations in members of the same family.
Mutation is the spontaneous change in the genetic makeup of an organism. These changes may be inherited by the offspring therefore beginning variation.

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3 years ago

As well as carbohydrates, what is wholemeal bread a good source of?

svp [43]

Answer:

Proteins

Explanation:

Wholemeal bread is a rich source of carbohydrates and protein along with unsaturated fats, vitamins and minerals. Hope this helps.

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3 years ago