How much daily physical activity do experts recommend for someone who is trying to maintain weight loss? 15 or more minutes 30 or more minutes 45 or more minutes 60 or more minutes?

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?

Apart of an ecosystem that can restrict the growth of a population is referred to as

I’m stuck on this question cuz i’m stupid sksksksk