Justin is a 35-year-old, 75 kg, recreational weight lifter. His goal is to build lean mass and lose fat mass. He is interested in knowing what to consume for recovery after his workouts since he lifts 5 to 6 days per week, 60 to 90 minutes per session. He is currently drinking a recovery shake that contains 45 grams of protein and 20 grams of carbohydrate after working out. How many carbohydrates does Justin need after his workouts for optimal recovery?

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.