Explain why the intake of energy for both boys and girls decreased during 1930's and 1980's. Remember to be specific.

The diagram shows the process of meiosis. How many divisions are required to decrease chromosome numbers and produce gametes? A) 1 B) 2 C) 3 D) 4

Which trait do ferns, gymnosperms, and angiosperms share?

What are 3 types of scientific investigations

An ecosystem can be viewed as a host that is parasitized by the organisms that live on it. Agree or disagree?

3 molecules which include carbon

Milo is observing the things around his family's farm. He writes down four different resources and whether he thinks they are renewable or nonrenewable. The table below shows his notes.

A baby born from a caesarian section (an operation where the baby is removed surgically from the abdomen instead of a vaginal birth) would result in:

What are body waves?

Which of these is NOT considered to be an organic substance? A) carbohydrates Eliminate B) lipids C) metals D) proteins

Which one of the following remains intact after extensive decomposition and can be used to assist in personal identification of remains? A. Blood B. Hair C. Bones D. Muscle structure