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3 years ago

15

Can have many harmful effects including damage to statues and building, contributing to human respiratory diseases, and leaching

toxic metals (such as lead and mercury) from soils and rocks into lakes used as sources of drinking water.

1 answer:

Ostrovityanka [42]3 years ago

4 0

Carcinogens. They come in many forms (search them up) and can be very harmful.

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I need helppp plsss

almond37 [142]

Answer:

im pretty sure its form a hypothesis

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A strawberry plant is an example of a plant that can reproduce through the process of vegetative reproduction. Are the offspring

alexandr402 [8]

The offspring will be genetically identical to the parent because vegetative reproduction is a form of asexual reproduction. Therefore, there is only one parent and the offspring is identical to the parent.

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research as shown to support that if students pay attention in class have highet test scores. what is the independent variable

Vaselesa [24]

Answer:

the test scores

Explanation:

they will vary depending on the student

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Which of the following theories concerning global climate change is the most widely accepted?

Papessa [141]

The answer is b. hope i helped lmaooo

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Now consider a single base mutation in a codon for leucine that creates a codon for phenylalanine. A true reversion changes the

madam [21]

Answer:

options A, B, D and E

Explanation:

leucine codons include: UUA, UUG, CUU, CUC, CUA, CUG

phenylalanine codons include: UUU, UUC.

<u>C</u>UU

replace C with U to give

UU<u>U</u> phenylalanine codon

replace underlined with A

UUA leucine codon

<u>C</u>UC

replace underlined with U

UU<u>C</u> phenylalanine codon

replace underlined with A or G

UUA, UUG leucine codons

UU<u>G</u>

replace underlined with U

<u>U</u>UU phenylalanine codons

replace underlined with C

CUU leucine codon

UU<u>A</u>

replace underlined with U or C

<u>U</u>UU or <u>U</u>UC phenylalanine codons

replace U with C

CUU or CUC leucine codons

7 0

3 years ago