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Arte-miy333 [17]
3 years ago
13

A liquid that is being heated at Lakesha’s lab table catches fire. Which action should Lakesha take first?

Biology
2 answers:
Andru [333]3 years ago
6 0
If she is in school she should alert the teacher so that futher actions can be taken and you should maybe pull the fire alarm and evacuate the area just in case there are any harmful chemicals .
Rzqust [24]3 years ago
4 0

Explanation:

It is advised that when we work in a laboratory then we should do experiments under the supervision of our guide or teacher.

Hence, when a liquid that is being heated at Lakesha’s lab table catches fire then she should immediately tell this to her teacher so that proper precaution on time can be taken.

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When analyzing data, witch does the scientist look for ?
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Scientists always look for patterns.

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4 years ago
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Even though all cells have different shapes and sizes they also have cytoplasm and a
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Answer:

if you have options, can you attach them?

Explanation:

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4 0
4 years ago
2. A certain recessive, lethal gene is carried on the X chromosome. (Lethal genes are those that result in death.) A man marries
shtirl [24]

Answer:

The correct answer is : male : female = 1:2

Male percent = 33.33%

female percent = 66.66%

Explanation:

In this question, it is given that a lethal gene is carried by X chromosome which is recessive which means will cause death if both copies are recessive for this gene.

The cross between normal man and hybrid or heterozygous women

The gametes: XH and Y from man and XH and Xh from women where Xh is recessive letheal allele.

The cross:

         XH                          Y

XH     XHXH                  XHY

        normal female    Normal male

Xh    XHXh                     XhY

      Carrier female       dead male

This explains that out of three offspring two will be females and one male. Thus the percentage will be:

Male : 1*100/3  = 33.33%

Female : 2*100/3 = 66.66%

3 0
3 years ago
Use Ohm's law to find the voltage needed to make a current of 3 A in a resistance of 9 ohms.
alina1380 [7]

Answer:

27 volts

Explanation:

According to Ohm's Law

V=IR

where V is voltage I is current and R is resistance

V=3*9

V=27 volts

4 0
4 years ago
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