Which statements describe characteristics that are common to both gymnosperms and angiosperms? Check all that apply.

They have roots, stems, and leaves for nutrient transport.

They have flowers.

They are autotrophs.

They rely on diffusion for nutrient transport.

They are heterotrophs.

They have seeds.

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.