Exposure to toxins during early stages of pregnancy is more likely to cause birth defects then exposure in late pregnancy because

Which of the following groups of people most likely represents a snapshot in time of a human society that existed 12,000 years ago?

Which two of the following skills are important for a meteorologist? A) Ability to create charts B) customer service C) critical thinking D) troubleshooting E) creativity

The table shows the shipping costs for items of different values. Which best describes the strength of the model? a weak positive correlation a strong positive correlation a weak negative correlation a strong negative correlation

Which of the following is always considered part of a scientific investigation? a science laboratory, graphs or charts of data, a written report that shows the data, observations about the natural world

A researcher has found that students who sleep more in class get lower grades on their exams. This is an example of a (n) A) positive correlation. B) independent variable. C) negative correlation. D) dependent variable.

How do you survive high school

Can we know if we have a soul? What about other people or animals?

Many things happen when rain falls down. Explain what happens to rain as it falls on the surface of: concrete, water, and a slanted/sloped roof. Now, thing about an extra long rainy season.

A slow directional shift of the earth' axis that required 260.000! years to complete called

Mrs. Brown has 5 daughters. Each of these daughters has a brother. How many children does Mrs. Brown have?