If nuclear reactions in stars causes stars to produce energy, then what do nuclear reactions in stars cause? Answer choices: - heat energy - Change colors - production of energy - hydrogen and oxygen - only black holes - destruction of energy - creation of life - harmful substances
production of energy

If asexual reproduction is when an animal divides into two parts, then what is it called when an animal divides into two parts? Answer choices: - limb amputation - The bending of a ray of light - Veins and arteries. - epidermis and dermis - the body's largest organ - Leptospirosis - refraction of light - asexual reproduction
asexual reproduction

If genes carry instructions, then what do genes carry? Answer choices: - pollen - Energy - calories - instructions - Chemical energy - fat - acid - colors
instructions

If sharpening a knife causes it to change shape, then what does sharpening a knife do? Answer choices: - change its material - make it stay the same - lowered energy cost - duplicate itself - Relieve pain - change its shape - change its color - It gets heated up
change its shape