The lymphatic vessels comprise a special type of system.
a respiratory
b endocrine
C circulatory
d nervous

Which of the following is an advantage of solar energy?

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Which of the following situations describes a adaptation for a mole? question 2 options: a mole is blind and cannot see underground. a mole is bright and attracts the attention of predator birds. a mole has a sensitive sense of smell to it find food underground.