How much of our total body weight is water? 30-50 percent 40-60 percent 50-70 percent 60-80 percent?

Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?

Ascientific idea becomes valid when it is what?

We all have different forms of genes from our parent(s).what are these different forms called? a. alleles b. characters c. dna d. resources