A student carries out an experiment to determine if various objects will float or sink in a container of water. Mass
(9)
Volume
(cm)
Density
(g/cm)
0.50
0.40
1.25
4.30
1.03
4.17
Object 1
Object 2
Object 3
Object 4
20.00
25.00
0.80
80.00
7.60
10.53
Water
500.00
500.00
1.00
Which object will float in water?
O A Object 1
B. Object 2
O c Object 3
OD. Object 4

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?