How do layers B and D compare in age? If rock layers between B and D have eroded away, what is the boundary between B and D called?

Answers

Answer 1
Answer: Rock layer D is older than rock layer B. The boundary between B and D is called an unconformity also. The geologist could use radioactive dating to determine the absolute age of F; then by the law of superposition, A must be at least as old as F, which lies above A.
Answer 2
Answer:

Answer:

correct ty

Explanation:

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What is the best basis for analyzing/mapping evolutionary hostory​

Answers

Answer:

https://en.wikipedia.org/wiki/Phylogenetic_tree. Try this link.

Explanation:

The best basis for mapping evolutionary history would be a phylogenetic tree.  This "tree" shows the relationship between every biological species on Earth in reference to their origin...In evolutionary terms, a common ancestor. This tree also takes into consideration the genetic and physical traits and differences in every species and organism on the tree. Hope this helps : )!

well you should start maybe a time line OR,  In the case of phylogeny, evolutionary investigations focus on two types of ... a high percentage of bases in the same locations, causing these organisms to appear ... history of species, our own included, phylogenetic analysis has ... made recommendations for conservation

Water at the top of a slope has potential energy

Answers

You are correct. The higher something is, the more potential energy it has.
it is true. Water at the top of a slope has potential energy.

Which of the following characteristics of water is NOT a result of hydrogen bonding?

Answers

Cohesion and adhesion of water: Water can stick to itself (cohesion) and other molecules (adhesion). Specific heat, heat of vaporization, and density of water: Water has a high heat capacity and heat of vaporization, and ice—solid water—is less dense than liquid water.

Is there any answers they give you to choose from?

A. Colorful, marine worm whose body is flattened dorso-ventrally. Swimsthrough the water using a wavelike motion.
PHYLUM?​

Answers

Answer:

Phylum platyhelminthe

Explanation:

Although a few of the free living marine and terrestrial species are very beautiful, most species are not particularly attractive to the human mind. Their body is dorso-ventrally flattened.They exhibit bilateral symmetry.   They do not have a body cavity and are acoelomate.  The movement of most platyhelminthes is using a wavelike motion that is controlled by longitudinal, circular, and oblique layers of muscle as they contract and relax simultaneously.

Which of the following is NOT a major characteristic used to identify minerals? a. hardness c. density b. magnetism d. luster Please select the best answer from the choices provided A B C DI know it is not d

Answers

Answer: Option B

Explanation:

The characteristic such as magnetism is not used as a characteristic to identify minerals is magnetism.

This is because most of the minerals do not posses this character only few minerals have this property.

The character such as density, hardness and luster are some of the physical property which is used to classify the substance as mineral.

hence, the correct answer is option B

The answer is magnetism (B)

In a tropical rain forest, insects feed on leaves while frogs eat the insects. At ground level, fungi digest waste material to supply their nutritional needs.In this ecosystem, frogs are


A)
consumers.


B)
decomposers.


C)
parasites.


D)
producers.

Answers

Answer:

Consumers.

Explanation:

Food chain may be defined as the sequential tropic food levels in the ecosystem. The organism eats other organism and itself being eaten by the other organism.

Producers are the organism that prepare their own food in the food chain. The frog eats insect. Here, the frogs acts as the consumer as it depends on the other organism for its food and eats directly plants and butterflies.

Thus, the answer is option (A).

In this ecosystem, frogs are:
A) consumers.