Someone please help me with 20 points and answer all my other questions (2 Questions) That's almost 35 points you can get. Please help. Thanks Suggest which elements have these atomic weights (Relative atomic masses)

A) 45 B) 68 C) 70 D) 180

A) Scandium (Sc)
B)
C) Gallium (Ga)
D)

We need the protons, electrons, and neutrons to find the answer to B and D because element B and D must be an Isotope

2positives of biotechnology: 1. plants have become more resistant to viruses and other communicable pests.2. with the of biotechnology, we have been able to produce better tasting fruits as well as vegetables.2 negatives of biotechnology: 1. biotechnology poses a number of environmental threats. genetically modifies crops often infect monarch butterflies and other insect species.2. viruses could combine with crops.

A. 17 hope this dudet