Select the correct answer. Paul observes an amoeba engulfing food during a science laboratory class. Which part of its cell does the amoeba use to engulf the food?
A. cell wall
B. cytoplasm
C. nucleus
D. vacuole
E. Silicate skeleton

Enzyme speed up chemical reaction are which type of marcomolecule? a.carbohhydrates b.protiens c.lipids d.nucleic acids

Which process is involved in growing crops? irrigation transportation recreation condensation

Lola needs to sign 6 invitations. using stopwatch that measures time to tenths of a second, it takes lola 5.3 seconds to sign her full name. going by the accuracy of the stopwatch, which is the most accurate determination for the number of minutes lola needs to sign all 96 invitations