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3 years ago

What influence do the ethics have on research and use of biotechnology ?

1 answer:

5 0

Ethics in research facilitates accountability of researchers and their research to the public especially in their responsibility to uphold societal values and morals. Ethics also create foundation for collaborative work between researchers by enhancing trust, respect and fairness in the field

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The ears work with the brain and other body parts through a series of steps that help you hear the sound of a train coming. What

san4es73 [151]

Explanation:

first of all our eyes recognise to train and send the message to our brain then our ears and then the brain send motor impulses to muscles of leg

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2 years ago

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Iron reacts with atmospheric oxygen to form iron oxide or ferric oxide. Look at the chemical equation for this reaction: Fe + O2

Ber [7]

ANSWER

The correct answer is A

EXPLANATION

From the equation $Fe + O_2 \rightarrow Fe_2O_3$

L.H.S.

Fe = 1

O =2

R.H.S

Fe =2

O =3

Now, let try to balance the oxygen atoms first,

To do this, we know the Least Common Multiples of 2 and 3 is 6

To get 6 atoms of oxygen at L.H.S multiply 2 by 3 and on the R.H.S, multiply 3 by 2

L.H.S.

$O=2\times3=6$

R.H.S

$O=3\times2=6$

This means that, 3 should be in front of $O_2$ at the L.H.S and 2 should come before $Fe_2O_3$ in the R.H.S of the equation

Now, we have

L.H.S.

Fe = 1

O = 6

R.H.S

Fe =4

O =6

The equation is still not balanced since Fe is not balance

The Least Common Multiple of 1 and 4 is 4

Which means that we need to multiply 1 by 4 at the L.H.S and 4 by 1 at the R.H.S

L.H.S.

$Fe=1\times4=4$

R.H.S

$Fe=4\times1=4$

We now, have

L.H.S.

Fe= 4

O=6

R.H.S

Fe =4

O=6

Hence the balanced equation is

$4Fe +3O_2\rightarrow 2Fe_2O_3$

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3 years ago

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Which of the following statements is correct?

Tanya [424]

Answer:

Explanation:

all the others are false

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2 years ago

PLEASE HELP ME !! 1. What causes electric current to flow through a circuit?

musickatia [10]

Answer:

Explanation:

When a wire is connected to battery terminals, electrons flow from negative to positive. Unlike (opposite) charges attract, like (same) charges repel.

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1 year ago

A biology teacher asks his class to make models of a plant cell, an animal cell, and a bacterial cell. Aside from cytoplasm and

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its ribosome ribosome
nucleus
Golgi apparatus
chloroplast
cell wall

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2 years ago

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