What is the main source of fuel in developing countries

1 answer:

7 0

The exceptions include countries like Brazil, which has built the world's leading biofuels industry, China, India, which are leaders in developing decentralized renewable sources such as small hydro, small wind, biogas, and solar water heating.

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The atomic number of krypton(Kr) is 36, and its mass number is 84. How many neutrons does it have?

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Number of Neutrons is 48

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The functioning of enhancers is an example of _____.

shutvik [7]

Answer:

D) transcriptional control of gene expression.

Explanation:

Enhancers as the name indicates are required to enhance transcription of a gene. Enhancers are nothing but a small stretch of DNA which may be located either in upstream (mainly) or downstream region of a particular gene. If they are distantly located from a gene then in order to cause increased transcription of that gene they form a loop to reach near the promoter region of the gene. With the help of activators and transcription factors they can enhance the expression of gene at transcriptional level.

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The process of budding is a type of

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Asexual reproduction im thinking

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biology 2 ch 43 fixed action pattern Which of the following is(are) fixed action pattern(s)? Group of answer choices A chick’s g

sleet_krkn [62]

Answer:

The correct answer is "All of these are fixed patterns".

Explanation:

Fixed action patterns are instinctive programmed responses in different species that are triggered by a specific external sensory stimulus. These stimuli are called sign stimuli. When the sign occurs, the animal starts a sequence of acts in response to the stimulus and continuous until the series of actions is completed. If the animal is interrupted for some reason, it continues its job from where it was interrupted; either the original stimulus is or is not present.

A chick’s gaping mouth induces a feeding response in a parent bird: The stimulus is the gaping mouth, which makes the parents to instinctually respond foraging more and feeding the chick.

A male fruit fly waves his wings at a female fruit fly during courtship: In courtship, the original stimulus is the presence of the female. One of the male´s responses actions is the wave of its wings.

A baby garter snake captures and eats a slug: For the baby snake, the sign stimulus is the slug scent. The snake then responses by capturing and eating the slug.

A European cuckoo hatchling pushes the host bird's egg out of the nest: The stimulus for the cuckoo chick is the presence of the host bird´s egg. When the cuckoo bird emerges from its egg, even before it opens its eyes, it pushes the host out of the nest.

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A melotic division produces ____ daughters cells? 4 2 1

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Four daughter cells from one single parent cell. Each daughter cell is haploid, because it has half the number of chromosomes as the original parent cell. Big brain science

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