What is the value used to express the acidity or alkalinity of a solution?

What is asexual reproduction? What results from asexual reproduction?

Which of these organisms needs care from its parents after birth? frog turtle mouse snake

Photosynthesis and why it is the most important chemical reaction on earth

The heavier elements in the universe were formed by A. a series of star cycles B. the sun C. force of gravity D. black holes E. the Big Bang

Three ways to transfer heat are by?

As described in lecture, cells form actin filaments in particular regions of the cell in part because they nucleate filament formation at particular times and places within cells and in part because they inhibit the formation of filaments that are

What is the main difference between the gas water vapor and the liquid water? A The molecules of water vapor are much smaller than those of liquid water. B Liquid water is made out of different molecules than water vapor is.

Which outcome occurs when bonds between atoms are broken or formed? A. a physical change B. an element increasing in size C. a chemical change D. a change of state

What events caused the formation of most islands in the South Pacific?

A new species of plant arises as an allopolyploid from two other plants, one with a diploid number of 14 and one with a diploid number of 18. what would the diploid number of the new species most likely be?