3. Anna and Joe repeat their experiment every day for the next week to get better results. The data below shows their sitting heart rate. Who had the
most precise measurements for sitting heart rate?
O Anna
O Cannot be determined
O Joe

Which group of chordates does  notpossess true backbones?                 a.  birds      b.  frogs and toads      c.  lampreys      d.  crocodilians

How do antiviral drugs work? in your own words.

Type the correct answer in the box. use numerals instead of words. fiona has a lovely flower bed in her yard. she wants to add a fence along one side of the flower bed. the fence material is sold in meters. fiona knows that her flower bed is 200 centimeters in length. how much fencing material does fiona need in meters? fiona needs meters of fencing material for her flower bed.