Some species, such as turtles and crocodiles, have existed since prehistoric times. What is the function of the preposition as it is used in the sentence?
1. The preposition shows direction.
2. The preposition shows location.
3. The preposition shows time.
4. The preposition shows where.

14 chromosomes

explanation:

sperm cells of the russian dwarf hamster contain 14 chromosomes. how many chromosomes are found in a normal body cell of the russian dwarf hamster? a cell with 20 chromosomes undergoes mitosis.

its english as a dog

explanation:

the answer is: the start of world war i, and russia’s hopes of benefiting from it

during world war i russian joined due to in their current crisis they were being supported by france and the war was already declared to them by germany, they needed to maintain their political goal and leadership role in the balkans, and is the same feeling that this excerpt evoke the eager of maintain the land value.

not sure maybe the subject closer to it or subject-verb agreement