What are the maximum number of covalent bonds an element with atomic number 16 can make with hydrogen?

a. 1

b. 2

c. 3

d. 4

e. 5

A perennial herbaceous plant has ascending quadrangular stem and oppositely arranged leaves. The flowers with bilabiate corolla are zygomorphic, bisexual, arranged in whorls in the leaf axils. The fruit type is coenobium.

Which statements describe scientific inquiry? Check all that apply. Scientific inquiry has only one correct pathway. Scientific inquiry involves similar processes and practices. Scientific inquiry involves providing explanations based on evidence.

Which infection is caused by this organism? Malaria O African sleeping sickness O Girardiasis O Amoebiasis

A medical researcher experimented with the effects of calcium intake on the healing time of broken bones.

Why is the nucleus called the control center of the cell?

What does HIV/Aids have in common with the coronavirus?

If brick, dry soil, paper and water were exposed to sunlight for the same amount of time, which substance would heat up the fastest?

What are the 2 types of factors that regulate cell division

DNA replication involves producing new copies of DNA molecules. How many individual DNA strands exist after one molecule of DNA has been replicated? A. 3 B. 4 C. 2 D. 1

What caused the composition of Earth's early oceans to transition from dissolved carbon dioxide to dissolved oxygen? A. Ultraviolet rays from the Sun converted dissolved carbon dioxide to oxygen. B.