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Nina [5.8K]
2 years ago
14

PLEASE HELP URGENT

Biology
2 answers:
Yuki888 [10]2 years ago
3 0
Clean Air Act (CAA), US Federal law, passed in 1970 and later amended, to prevent air pollution and thereby protect the ozone layer and and promote public health. The clean air act gave the federal environmental protection agency the power it needed to take effective action to fight environmental pollution. Hope this helps シ
HACTEHA [7]2 years ago
3 0

Answer:

to determine ways to reduce the number of premature deaths per year

Explanation:

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Tracey was learning about structural organization in animals. What level of structural
bearhunter [10]

Answer:

A

Explanation:

Egg cell

4 0
3 years ago
The middle pleistocene and the late pleistocene correspond to which cultural periods?
Crank

The middle stone age and the later stone age corresponds to the middle and the late pleistocene.

Cultural evolution during the middle and the late pleistocene :-

In southwestern Asia as well as northern and southern Africa, personal ornaments in the form of perforated seashells are recorded from the early Late Pleistocene. In the Old World, Neanderthals and anatomically modern humans are linked to a range of personal ornamentation by about 40,000 years ago (Ka). These include fully created ornaments as well as organically modified things. The appearance of figurative art, mythical imagery, and other types of items, like as musical instruments, at various times in history suggest that completely modern behavior began to emerge more gradually towards the middle of the Late Pleistocene and most definitely no later than 40 Ka. Many, but not all, of the lengthy and rigorous history of study might well have helped to the relevant data come from Europe.

Learn more about the Pleistocene age here:-

brainly.com/question/12163109

#SPJ1

7 0
1 year ago
An atmospheric gas expelled by body cells
nikklg [1K]
Carbon dioxide :)
hope it helps!
5 0
3 years ago
In a population of 286 individuals express the recessive be a GNODYPE what scent of the population would you predict would be he
Cerrena [4.2K]

Procreation comes from pairing. In different phrases you have 2 codes for each little thing. you have the code from the father and the code from the mother. evaluate the code for blood. you're attentive to that there are 4 varieties of blood variety O, variety A and variety B and variety AB. If mom has 2 codes for her blood, enable us to declare O and O and father has 2 codes for his blood enable us to declare O and A There are a sequence variety of combinatins the 1st mom O can combine with father O, OO The 2d mom O can combine with father A, OA. the 1st mom O can combine with father A, OA The 2d mom O can combine with father O, OO the baby is going to have the two OO or OA. If the baby has OO the the baby has no selection different than to have blood variety O because of fact the expressed phenotype. If the baby has OA the A is dominate and it takes expression. subsequently the only way a recessive allele could be expressed is that if and on condition that there are 2 recessive allele as interior the case of OO. Now do the different combinations mom OO mom OA mom AA mom OB mom BB mom OO can combine with father OO making OO mom OO can combine with father OA making OA mom OO can combine with father AA making OA mom OO can combine with father OB making OB mom OO can combine with father BB making BB The recessive allele is expressed if and on condition that the two codes are recessive. What if mom is dominant A. mom AA mom OA can a recessive allele be produced particular If and on condition that the recessive O of the mother combines with a recessive O of the father. subsequently a mom dominant A might desire to be coded as OA and a father dominant A might desire to be coded as OA. the baby can get carry of mom O blended with the father O and be OO, the recessive. the baby is recessive even whilst the mothers and dads are dominant because of fact the mothers and dads carried the recessive allele. this might ensue if and on condition that the two mothers and dads carry the recessive allele. pass via the mixture mom OA Father AA you will by no capacity get a recessive phenotype expressed

5 0
3 years ago
a light weight material is being tested effectiveness in blocking ultraviolet rays from the sun that cause skin to burn and poss
Lynna [10]
Exposing it to <span>ultraviolet rays and seeing the efectiveness</span>
3 0
3 years ago
Read 2 more answers
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