What is believed to be the first type of cells on earth? a. tree cells b. eukaryotic cells c. prokaryotic cells d. plant cells

What is the difference between the central nervous system and the peripheral nervous system?

Why do we get itch's

Match the specialized structures found on neurons to their function. carries information away from the cell body insulates the axon so that nerve impulses can be transmitted quickly contains the control center and powerhouse of the cel receives

A baby stroller is a rest on top of a hill which is 10 m high. The stroller and baby have a mass of 20 kg. What is the potential energy of the baby and stroller? Formula: PE = m g h (Gravity near earth is 9.8 m/s²)

In many temperate lakes, thermal energy from sunlight causes changes in the temperature of surface waters. These changes initiate a turnover, a mixing of waters that occurs in spring and fall.

Dna strands are held together by

Coal is the biggest source of electricity production. Discuss some of the effects of coal mining and use for power? How can you reduce the amount of coal used for electricity production?

True or false the grain group includes, cereal, rice, pasta, and grits

Read the paragraph, and then answer the question. The solid part of Earth is made of huge chunks called plates. These plates sometimes move. When this happens, earthquakes may occur.

I am living thing and i can carry out all life processes. what am i?