What can u tell from Undisturbed rock layers

1 answer:

6 0

Because the rock is laid down over time, the oldest rock (and fossils or whatever) will be in the lowest layer. As you go up, the age decreases - you are looking at younger rocks.

This doesn't tell you the *absolute* age of the rocks - you can't say from this evidence whether they are 100 million or 500 million years old. But you can see changes over history and you can get an ordering in time.

You might be interested in

When mutations exhibit complementation this means the mutations are located:

Wewaii [24]

Answer:

The correct option is: b. in the different genes

Explanation:

In an organism, complementation is observed when the two strains with the different homozygous recessive mutations are mated or crossed to produce an offspring having wild-type phenotype.

Complementation is observed when the mutations are present in different genes.

Therefore, mutations are said to be complementary, if they are present in different genes.

5 0

3 years ago

Explain the relationship between crossing over and genetic variation

UNO [17]

Crossing over can create genetic variation. Crossing over is when chromosomes cross over they give + take a part of another chromosome which can create different variation in genes.

5 0

3 years ago

Which microbes is used to extract ethanol from fruit juice and sugar molasses ·

Sedaia [141]

Answer: Yeast

Explanation:

Microbes are referred to as tiny living things which can found in soil, water and in the air. Microbes can also be called microorganisms. Some microbes are vital to our health while some can make us sick.

The microbe that is used to extract ethanol from fruit juice and sugar molasses is yeast. Some yeast metabolize the sugar that is contained in fruit juices and molasses.

4 0

3 years ago

why do you think it’s important to also consider DNA and gene patterns during the classification of organisms?

rewona [7]

The evolution of molecular biology has made possible to establish a new classification of all organisms according to their DNA, and it's called phylogenetic classification.This classification groups living beings according to their kinship, established according to anatomical, physiological and behavioral criteria and especially genetic, based on the similarity of genes between species.
This made it possible to discover kinship ties between species of which there is no suspicion of any morphological link between them, something which the old classification (the traditional classification) was incapable of doing (and this proves the importance of the DNA and genes in organisms classification.

7 0

3 years ago

2. Esther and Chris are trying to set physical boundaries for their relationship. Each

Katarina [22]

Answer:

This is a healthy relationship. The characteristic is respect.

Explanation:

She told him that she is uncomfortable with something, and he listened and agreed to not do what makes her uncomfortable. When you are in a healthy relationship you respect each other and want the other person to feel comfortable around you.

6 0

2 years ago