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Nuetrik [128]
3 years ago
13

What chemical begins the process of chemical digestion? A.stomach acid B.saliva

Biology
2 answers:
Bas_tet [7]3 years ago
4 0

Answer:

A.stomach acid

how it's helpful

Nata [24]3 years ago
3 0

Answer:

b. saliva begins the whole process

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A unique characteristic of birds is that they have _____.
umka21 [38]

Answer:

they can fly , which requires alot of energy & keep their body warm with their feathers

8 0
3 years ago
A system to maintain homeostasis must have at least four parts that function together. name these abd bruefly explain what each
hoa [83]
1.Nucleic acids:Stores and transfers info
2.Carbohydrates:Store energy, provide fuel, and build structure in body, main source of energy, structure of plant cell wall
3.Lipid:Insulator and stores fat and energy
4.Protein:Provide structural support, transport, enzymes, movement, defense
5 0
3 years ago
Which may lead to lower productivity because of a lack of incentives?
LekaFEV [45]
I believe the answer is Government subsidies. A subsidy is the form of cash payment or a tax reduction. It is normally given to remove some type of burden, and it is often considered to be in the overall interest of the public, given to promote a social good or economic policy. Tax subsidy; the government can create the same outcome through selective tax breaks as through cash payment. For example, suppose a government sends monetary assistance that reimburses 15% of all health expenditures to a group that is paying 15% income tax. Tax subsidies are also known as tax expenditures.
3 0
3 years ago
Read 2 more answers
A neuron with a cell body located in the CNS whose primary function is connecting neurons is called a ________.
brilliants [131]

Answer:

Intermediate neuron

Explanation:

Interneurons are the "middle man", neither a sensory or motor nueron, that creates neurial circuits, connecting a broad class of neurons in the spinal cord and brain. They enable communication from motor and sensory neurons in the central nervous systems and are classified into two groups; relay and local interneurons. Through neurial circuits, the brain is able to manage and deal with complex stuff such as decision-making and learning.

7 0
3 years ago
Explain how Charles Darwin’s theory of natural selection would account for evolution of populations. Use the following terms in
vovikov84 [41]

Explanation:

charles darwin proposed thoery of natural selection.he had collected imnumerable specimens of plant and animals.he published concept survival of fittest. while explaining he says that There is always competition for food.only those organism survive which shows adptations in various reasons. it thoery of natural selection.

There are some objections,

1. natural selection is not only factor responsible for evolution.

2. darwin did not mention uesful and useless modifications.

3. There is no explanation about slow and abrupt changes

6 0
3 years ago
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