How many more sunspots were seen in 1991 than in 1992?
a)145
b)105
c)95
d)50

Prompt compare the three types of volcanic mountains in terms of shape, type of eruption, and the minerals that make up the volcano

What is a sex-linked genetic disorder that disrupts the blood's ability to clot? a.achondroplasia b.huntington's disease c.hemophilia d.albinism

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give