Your correct range of physical activity is your target ceiling
threshold of training
O target fitness zone
O fitnessgram zone

target fitness zone

Explanation:

hope this helps

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.