Which of these was the world’s first artificial satellite? A. Saturn V

B. Sputnik

C. Lunik 2

D. V-2

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .