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rewona [7]
3 years ago
15

Which are the oldest layers of rock?

Biology
1 answer:
Evgesh-ka [11]3 years ago
5 0

Answer:

Its the bottom because its located in the bottom

Explanation:

a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.

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!HURRY! 20 POINTS
Andrews [41]

Answer:

Many Middle Eastern countries have been transitioning from largely rural living to urban living. City populations are growing quickly as people move to find jobs. However, environmental problems have come with this rapid urbanization. Many urban areas are experiencing air and water pollution. Air pollution is occurring due to the region's reliance on toxic energy sources, oil and gas. Oil and gas release emissions into the air when consumed by factories or cars. Cities are also experiencing water pollution issues due to a lack of waste treatment options. Without places to dispose of waste, people are dumping sewage and industrial waste into water sources. Finally, urban coastal areas are having problems with coastal degradation. Soil erodes and wildlife habitats are destroyed as land is changed for urban development.

Explanation:

3 0
3 years ago
Read 2 more answers
The human metallothionein IIA gene (hMTIIA) is transcriptionally regulated through the interplay of regulatory elements and tran
forsale [732]

Answer:

The correct answer is - regulation of the heavy metal and their toxicity.

Explanation:

Metallothionein is a group of cysteine-rich, small in size, and highly conserved proteins that bind to various metal ions and regulate their activity or toxicity in transcriptional level.

Metallothionein IIA is one of the metallothioneins that binds to heavy metal and helps cells to be protected from the toxicity of these heavy metals. These proteins are present in almost every eukaryotic organisms virtually. These proteins are highly induced to express highly in the present of heavy metals.

Thus, the correct answer is - regulation of the heavy metal and their toxicity.

5 0
3 years ago
3.How did the forensic anthropologists use military records to help identify some victims?
xxMikexx [17]
They use the military records to find their DNA
8 0
3 years ago
In water snakes, body color is controlled by two alleles that display incomplete dominance. Snakes with the BB genotype are brow
Rainbow [258]

Answer:

Phenotypic ratio= 1 Brown : 1 Gray

Explanation:

Genotype of brown snake= BB

genotype of gray snake= Bb

A cross between brown (BB) and gray (Bb) snake obtains progeny in following phenotypic ratio= 1 Brown : 1 Gray

Here, the heterozygous parent, gray snake (Bb) forms two types of gametes in 1:1 ratio while the homozygous dominant parent, brown snake (BB) forms only one type of gamete.

4 0
3 years ago
Which of the following is a benefit of urban development a.creation of jobs b.fragmentation of habitats c.loss of diversity d.lo
katrin [286]
A.) creation of jobs
3 0
3 years ago
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