The Sun's mass is 19.89 × 1029 kg. Which of the following is the best estimate of the Sun's lifespan? A.
500 million years, or 0.5 billion years
B.
1,000,000 million years, or 1 trillion years
C.
10,000 million years, or 10 billion years
D.
100,000 million years, or 100 billion years

Two pea plants with yellow peas are crossed. most of their offspring have yellow peas, but about 25 percent of the offspring have green peas. for pea color, yellow is the dominant trait and green is the recessive trait. what does this tell you about the two parent plants? a. the parent plants have only dominant alleles for pea color. b. the parent plants are heterozygous for pea color. c. pea color follows an incomplete dominance pattern of inheritance. d. the parent plants are homozygous for pea color.