Which of the following is true about water?

A. A water molecule has a overall positive charge

B. A water molecule is polar

C. A water molecule has more protons then electons

How does co2 move from your blood cells into your lung cells?

Which type of alternative energy source has the potential for visual and noise pollution?

a rock sample contains 25 percent k-40 and 75 percent daughter product ar-40. if k-40 has a half-life of 1.3 billion years, how old is the rock?

What best describes the dna in two daughter bacteria cells

Three wax palm trees are kept at different humidity levels inside of a greenhouse for 12 weeks. One tree is left outside in normal conditions. Height of the tree is measured once a week.

Which is the best way to increase the validity of data in an experiment

What is responsible for converting glucose into a form of energy usable by cells?

What best describes the alternation of generations? 1. meiosis produces a diploid zygote 2. a gametophyte is a diploid phase 3. a gametophyte is a haploid phase

Along with plants and algae, in which organisms can photosynthesis occur?

In asexual reproduction, the offspring are similar, but not identical, to the parents. True False