How are fossils used to study past enviornments

2 answers:

8 0

By studying it we can tell how long life has existed in earth and how different plants and animals are related to each other.

nlexa [21]4 years ago

3 0

When scientists find fossils they can compare the location of that particular find to another similar fossil to see what the fossil might have used as a habitat or what it could have eaten. Then they can figure out how old that fossil is to tell how long the environment has been around, when the particular species formed, how old the particular species is, and what caused the species to die whether it be from another animal or something as simple as a fire. No one who in lived in the dinosaur era who lives today, so all we have use fossils and bones to give us explanations to different natural occurrences.

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To help the food shortage in haiti , how should agricultural assistance shift their focus

mixer [17]

Agriculture is the practice of farming, therefore it will help them produce more food and beat the food shortage. So Agricultural assistance will shift their focus on farming and grow their own food. Also growing food could lead to trade with other country's which could also help the food shortage.

Hope this helps, If it doesn't I apologize. <span />

6 0

3 years ago

In studies that followed hundreds of 5- to 18-year-old girls from New Zealand and the United States, _____ was linked to sexual

Ivahew [28]

Answer:

Father's absence

Explanation:

A research was carried out to determine the influence of father's absence as a major risk factor for early sexual activity in girls. United States and New Zealand were used as case studies. Results from this study in addition to other numerous studies concluded that the absence of biological fathers from home is a risk factor for girls early sexual activities and also teenage pregnancy. This also affects their mental health and academic progress.

Conversely, the studies showed that, the presence of fathers in homes were major protective factor against early social activities and teenage pregnancies.

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3 years ago

A researcher wants to conduct a secondary analysis using a Centers for Disease Control and Prevention (CDC) database that was co

Shkiper50 [21]

Answer:

A) The researcher will not be interacting/intervening with subjects and the data has no identifiers.

Explanation:

IRB stands for Institutional Review Board. It is board which protects the rights of the human subjects in a research study made.

According to the IRB, a human subject is the living being on which a researcher or an investigator is conducting a research study.

In the context, a researcher wishes to conduct a study from the database collected publicly which have no identifiers and the IRB makes a point that individuals whose records will be reviewed does not meet the official definition given by the federal body regarding human subjects.

Thus it is confirmed by the fact that the researcher was not interacting with the subjects and the data which have no identifiers, that this research activity does not constitutes research based on human subjects.

Hence the correct option is (A).

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4 years ago

If it is noon in New York, which is Eastern Standard Time, what time is it in Denver,

Reptile [31]

Answer:

C) 10Am

Explanation:

Denver is rocky mountain time so it's 2 hours behind

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3 years ago

Which metaphor for the media's reach does sociologist todd gitlin consider more apt than "global village?"?

QveST [7]

The answer is "global torrent".

Sociologist Todd Alan Gitlin is an American, also a political essayist, writer, and social observer. He is printed on the broad communications, governmental issues, scholarly life and expressions of the human experience, for both popular and scholarly publications. Gitlin turned into a political activist in 1960, when he joined a Harvard group called Tocsin, against atomic weapons.

4 0

3 years ago