All of the following are caused by water erosion, except:

1 answer:

5 0

Answer: Ultimately, a beach erodes because the supply of sand to the beach can not keep up with the loss of sand to the sea. Most sand is transported from inland via rivers and streams. The damming of most waterways in the US has thus prevented a major supply of sand from getting to our beaches.

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Which shows the levels of organization within an ecosystem from largest to smallest?

Naddika [18.5K]

Answer:

The levels, from smallest to largest, are: molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.

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This is a period of time when extensive glacial ice covered much of earth, producing long-term climate change and causing the ex

iragen [17]

Answer:

ice age/ Quaternary glaciation

Explanation:

Ice ages have occurred in the earth history and do occur more or less regularly in a cycle. It is believed that ice ages are as a result of small changes in the earth's orbit and also dependent on the solar cycles. The temperatures on the earth reduce causing the ice sheets in the poles to extend to the subtropics.

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“blank” investigations are best for demonstrating cause-and-effect relationships. a. descriptive b.comparative c. experimental

FromTheMoon [43]

C. Experimental

Explanation - The cause and effect of a process would be studied in experimental investigations. However, in descriptive studies, relationship between the factors are not studies rather the detail of the process is studied. In comparative investigation, several factors are compared and its effects are analyzed.

In experimental investigations, experiments are carried out based on the hypothesis and then it is validated accordingly. Validation is a must to prove and disprove the hypothesis. Therefore, experimental data and hypothesis are related.

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An operon is a group of genes under the control of a single promoter. match each type of operon with the descriptions below.

Leno4ka [110]

You didn't list any...

LAC = inducible repressor
TRP = repressive

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What stage of mitosis is depicted in the diagram below ?

iVinArrow [24]

Answer:

anaphase, think a=apart and the chromosomes are being pulled apart

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