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solniwko [45]
3 years ago
9

What organelle is composed of a membrane with pores?

Biology
2 answers:
Nonamiya [84]3 years ago
7 0
Match the potential sources of pollution with the types of pollution they cause.<span>Tilesa landfill leaking above and below groundspraying aerosolsan oil spill deep in the oceansoil erosion near a clean water sourcePairs<span><span>water pollution</span><span>air pollution</span><span>water and land pollution</span><span>air, water, and land pollution</span></span></span>
Ostrovityanka [42]3 years ago
6 0
Nuclear envelope is the answer
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Contrast mechanical and chemical digestion.
jeka57 [31]

Answer:

Chemical and mechanical digestion are the two methods your body uses to break down foods. Mechanical digestion involves physical movement to make foods smaller. Chemical digestion uses enzymes to break down food.

Explanation:

4 0
3 years ago
Read 2 more answers
Helppp, i’m going to fail:(
Westkost [7]
Don’t worry this is pretty easy :)

The answer is -
50% recessive alleles
50% dominate alleles

explication- find out what alleles you’re working with (heterogeneous and homogeneous)
[heterogeneous is 1 dominant and 1 recessive- homogeneous is 2 of the same alleles they can be dominant or recessive]
We’re working with a parent with heterogeneous and another parent with recessive homogeneous.

draw a allele chart
__
|_|_|
|_|_|
they look like this and take your first parents alleles and put them at the top

L s
_ _
|_|_|
|_|_|

it should look like this, then take your parent with both recessive and put them vertical to the box

L s
_ _
s |_|_|
s |_|_|

it should look like this, now you drag one letter down and one letter across for each box

L s
__ __
s|Ls|ss |
s|Ls|ss |
— —
it’s should look like this when they’re done, i think you’re doing a grade below me in biology so the ratio should be 50/50 for both phenotype and genotype.

TRY TO LEARN THE VOCABULARY IT HELPS A LOT AND BASICALLY TELLS YOU THE ANSWERS!
GOOD LUCK :)
7 0
3 years ago
Scientific research about the carbon cycle and global warming would be most valuable if the results
GarryVolchara [31]

Answer:

if the results are efficient in answering the problems raised in the research and if they manage to come to terms with the hypotheses.

Explanation:

As you may know, scientific research must be done through several steps that allow an experiment to be carried out in order to reach conclusions on a certain topic.

In research on the carbon cycle and global warming, it is necessary for the researcher to raise problems and questions about this topic, as well as to raise hypotheses that must be directly related to the results of the experiment. If the result of the experiment is efficient in answering the research problems and questions, in addition to being able to agree with the presented hypotheses, it means that the research has value within the scientific branch in which it fits, in addition to showing that the experiment was done correctly.

6 0
3 years ago
Which of the following animals are ectothermic seagulls, bears, spiders or cows?
NNADVOKAT [17]
Well, considering that seagulls, bears, and cows are warm blooded mammals, and spiders are arachnids with an exoskeleton, I'm willing to bet that spiders are ectothermic. And isn't the word exothermic?
6 0
3 years ago
1. What was the worldwide avemge life expectancy in 2000?
shepuryov [24]
I believe that the answer is b
4 0
3 years ago
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